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temperature comparison 2020 to 2021

    temperature comparison 2020 to 2021

    Similarly, several other sites including Hartford, Kennedy Airport, and LaGuardia Airport (New York) did not reach 70 degrees F (21 degrees C) in April, tying as the least number of 70 degrees F (21 degrees C) days on record for April. In the Desert Southwest, Roswell, New Mexico reported its warmest year on record since records began in 1949 with an annual average temperature of 64.6 F (18.1 C), 3.8 F (2.1 C) above normal. The Central states also experienced a historic severe weather event the. Numerous long-term stations observed their highest or second highest annual count of days with a minimum temperature at or above 70 degrees F (21.1 degrees C), including West Palm Beach, FL (18882020; 261 days, 71 percent of the year), Orlando, FL (18922020; 177 days, 48 percent of the year), Lumberton, NC (19032020; 87 days, 24 percent of the year), and Roanoke, VA (19122020; 45 days, 12 percent of the year). As the low-pressure system that produced the severe weather moved towards New England, a second low developed over the Gulf of Maine and rapidly strengthened to a near-record level for April for Maine. This years tornado reports were particularly low, with only 129 reported through October. Southern parts of the region experienced severe weather from April 7 to 9. Spring freeze damage was reported in a mid-April freeze despite not being particularly late in the season. The dry winter and above normal temperatures throughout the year contributed to a rapid expansion of drought in these two states with only a small area in southern California remaining drought free at the end of the year. Every state except for Arkansas experienced warmer than normal temperatures while every state except for Oklahoma and Texas experienced wetter than normal conditions, with Texas experiencing its seventh-warmest summer on record. A man in Bradenton Beach, FL was electrocuted when he touched an appliance while standing in floodwater. Above-average annual precipitation was observed from the Great Lakes and Plains to the Southeast and Mid-Atlantic regions. Dulles Airport, Virginia, and Erie, Pennsylvania, set or tied their greatest number of April days with measurable precipitation. For the year, there were areas in all six states that averaged between 1 to 2 degrees F (0.56 to 1.11 degrees C) above normal, while parts of Texas, Oklahoma, Louisiana, Mississippi, and Tennessee averaged 2 to 3 degrees F (1.11 to 1.67 degrees C) above normal. This dryness eased by mid-February, with the Northeast becoming free of abnormal dryness for the first time since July 2019. Alamosa, Colorado: New daily records for maximum and minimum temperature set in the same day (92.0 degrees F/33.3 degrees C and 37.0 degrees F/2.8 degrees C), July 10 (period of record 1906-2021), Rapid City, South Dakota: Earliest hard freeze (28.0 degrees F/-2.2 degrees C) on record, September 9 (period of record 1942-2021), Pueblo, Colorado: Most number of 90.0 degrees F (32.2 degrees C) days on record for a single year, 99 days (period of record 1888-2021), Denver, Colorado: Highest September temperature on record at 101.0 degrees F (38.3 degrees C), September 5 (period of record 1872-2021), Laramie, Wyoming: Lowest October temperature on record at -26.0 degrees F (-32.2 degrees C), October 27 (period of record 1948-2021). Peanuts in the Florida Panhandle were unable to be dug due to rainfall from Sally, and farmers noted that fungal disease and rotting would affect the quality of the harvest. According to the U.S. Drought Monitor, there were substantial changes in drought conditions across the High Plains region over the course of the year. Preliminary estimates indicated millions of dollars in damage from flooding along the Schuylkill River near Philadelphia, Pennsylvania. Autumn was wetter and warmer than normal for most of the Southern Region. The global land-only surface temperature was the eighth highest on record at +1.40C (+2.52F). The snow from the storm helped Caribou have its second longest streak with at least an inch (2.54 cm) of snow depth at 159 days (November 12, 2019 to April 18, 2020). On the 20th, Clanton, AL (18932020) reported 8.40 inches (213 mm) of rainfall, which ranked as its second wettest April day on record. Get in touch with us now. March 2021 was: 0.19C warmer than the 1991-2020 average for March. Portions of the lower Mississippi Valley had daytime temperatures that were below average during 2020. These dry conditions were coupled with extreme heat, which helped fuel some of the largest wildfires in Colorados history. Annual precipitation totals were well above average across the Southeast region, with widespread areas of exceptional wetness occurring in every state and Puerto Rico. Providence, Rhode Island, picked up 1.6 inches (4.1 cm) of snow on October 30, tying as the sites snowiest October day on record. Massachusetts had more than 1,000 wildfires as of late September, with 52 fires in a nine-day period from late September to early October. This EF-4 tornado, with a path length of more than 24 miles (39 km) and a maximum path width of 1,300 yards (1,189 meters), damaged and destroyed many residences, including mobile and single-family homes. Red indicates places that were warmer than average, and blue indicates places that were colder than average. This value will be evaluated by the State Climate Extremes Committee later in 2021 to determine if a state record for lowest mean sea level pressure will be established. The fewest number of reports occurred in South Carolina (510; 13 percent of total), while the greatest number was recorded in Georgia (873; 23 percent of total). In addition, Columbus, GA (18912020) and Macon, GA (18922020) observed their wettest and second wettest April day on record, with 5.92 and 4.41 inches (150 and 112 mm) of rainfall, respectively. However, after the month of February, temperatures were at 0.80C (1.44F) or higher for the remaining months of 2021. Apples were smaller than usual and yields were down in parts of New England. All nine Midwest states were above their 1981-2010 normal by 0.9 to 1.8 degrees F (0.5 to 1.0 C). Spring was warmer and wetter than normal for the Southern Region. The winds caused water levels to rise significantly along Lake Eries eastern shoreline, resulting in flooding near Erie, Pennsylvania, and Buffalo, New York. These areas included portions of northern New England, New York, and Pennsylvania. For additional details regarding these highlights, please see the following pages: *Temperature and precipitation values and ranks are based on preliminary data. Iowa ranked as the 30th driest in its history. Hints of this transition began in the fall of 2019, when drought conditions developed across southern Kansas and western and southern Colorado. This was approximately 1.35 . The rate of warming since 1981 is more than twice as fast: 0.32 F (0.18 C) per decade. Data for 2020 should be considered preliminary. Nearly half (138 of 299) of the tornadoes occurred during April, which had the third highest monthly count of tornadoes across the region behind April 2011 (226) and September 2004 (247). Ten states across the Southwest, Southeast and East Coast had their second-warmest year on record. Highly-localized flooding was also noted on western Long Island and in northeastern Massachusetts. Holly National Weather Service forecast area. Coldest highest max temperatures for April were recorded at several major climate sites including Bridgeport and Hartford, Connecticut; Boston and Worcester, Massachusetts; Newark, New Jersey; Binghamton, Islip, and Kennedy Airport, New York. Significant flooding occurred, particularly in southeastern Pennsylvania where several waterways recorded their highest water levels on record. There were more than 250 wind damage reports in the Philadelphia/Mt. Caribou, Maine, had its hottest June on record, all-time hottest day, longest stretch of days with a high of at least 80 degrees F (27 degrees C), and greatest number of June days with a high of at least 80 degrees F (27 degrees C). The U.S. Drought Monitor released on August 27 showed 37 percent of the Northeast in a severe or moderate drought and 23 percent as abnormally dry. A total of 22 tornadoes were spawned by Isaias, including a rare EF-3 tornado that caused 2 fatalities and 14 injuries in Bertie County, NC on August 4th. In addition, about 36,000 homes and businesses in Virginia were without power following the height of the storm. Only Junes of 2015 (fourth warmest), 2016 (second warmest), 2019 (warmest), and 2020 (third warmest) were warmer and had a global temperature departure above +0.90C (+1.62F). On June 3, a line of intense thunderstorms with wind gusts of up to 93 mph (42 m/s) raced across Pennsylvania and New Jersey. The lowest annual precipitation total for any station (excluding CoCoRaHS) across the region was recorded in East Hill on St. Croix, USVI, which observed only 35.69 inches (907 mm) of precipitation. The storms winds also downed trees and power lines. For instance, severe drought eased everywhere except southeastern New Hampshire and coastal Maine and moderate drought eased in a large portion of New England. It was the first time in Baltimore, Marylands 128 years of recordkeeping that that site saw no snow during February. Across the region, the strong winds downed trees and wires and damaged homes and buildings. Fires were a major issue across Colorado and Wyoming this year, with the three largest fires in Colorados history burning this summer and fall. Annual precipitation averaged across the Midwest was 37.72 inches (958 mm), 0.78 inches (20 mm) above normal. Tropical Storm Isaias, the Atlantic Oceans earliest "I" named tropical system on record, produced extreme rainfall, tornadoes, and damaging winds in the Northeast on August 4. The region experienced temperatures 2 to 4 degrees warmer than normal in December and January. Annual Temperature Anomaly. Hundreds of thousands of customers lost power in the Northeast, including more than 115,000 customers in Massachusetts. Climate Extremes Index (USCEI) for 2020 was 80 percent above average and ranked as seventh highest in the 111-year record. Over time, the "normal" annual U.S. temperature has grown warmer, and the "normal . Climate Normals will shift from 1981-2010 to 1991-2020. Overall, from the beginning of the year to the end of the year the region experienced a slight decrease in the total area of at least abnormally dry conditions. Coastal flooding occurred from New Jersey to Maine. Freezing rain accumulations of 0.05 to as much as half of an inch (1 to as much as 13 mm) occurred in central and western portions of North Carolina, as well as southwestern, central, and northern parts of Virginia. Almost the entire Northeast saw below-normal snowfall during spring and the snow season (October through May). Like most years, 2020 temperatures were quite variable throughout the year. Massachusetts cranberry growers reported losses. Utqiagvik reported an annual temperature of 14.6 F (-9.7 C), 3.1 F (1.7 C) above normal and the 8th warmest since 1921. After two consecutively wet years, 2020 was an extremely dry year for the majority of the High Plains region. In fact, it was the first time on record that Providence reported a high of 70 degrees F (21 degrees C) in the month of January. Severe drought was introduced in Maine and New York, while moderate drought expanded and abnormal dryness encompassed nearly half the region. Unfortunately, in early June the total area experiencing at least abnormally dry conditions began to increase. At the beginning of 2020, only 12 percent of the High Plains region was experiencing moderate to exceptional drought (D1-D4), and these conditions were largely confined to western and southern areas of Colorado and Kansas. This years snow season (2020-2021) kicked off with several early snowfalls, starting in September. Wind gusts of up to 62 mph (28 m/s) accompanied the storm in coastal areas, where minor to moderate flooding occurred. On the northern side of the city, Frankford Creek reached moderate flood stage for the second time in a week. In Pinellas County, FL, sheriff deputies rescued 33 people from flooded homes and stalled vehicles. The Northeast had its hottest July since recordkeeping began with an average temperature of 73.7 degrees F (23.2 degrees C), which was 4.1 degrees F (2.3 degrees C) warmer than normal. The U.S. Drought Monitor released on December 3 showed 21 percent of the Northeast in an extreme, severe, or moderate drought and 33 percent as abnormally dry. 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 In addition, snow fell across portions of West Virginia, western Maryland, western Pennsylvania, and western New York. There were road closures, cars trapped in floodwaters, and water rescues. There were approximately 4,523 severe weather reports throughout the Southern Region for 2020, with 394 tornado reports, 1,310 hail reports, and 2,819 wind reports. In many fields in southern Alabama, Hurricane Sally blew down the cotton crop when bolls had yet to open. Some branches and wires were downed in parts of Massachusetts due to snowfall and/or gusty winds. Texas experienced landfalls from Hurricane Hanna and Tropical Storm Beta. Snowfall totals of 2 to more than 8 inches were found across portions of northern Virginia, with the greatest accumulation of 11.5 inches (292 mm) measured in Bayse, VA. About 200 vehicle crashes and 125 disabled vehicles were reported by the Virginia State Police along I-81 and across northern Virginia. The rapid drop in temperatures, from warm conditions just prior to the freeze, exacerbated the situation. Most of the contiguous U.S. experienced above-average temperatures during 2020. The wettest locations were found across much of Virginia, the Carolinas, Alabama, northern and central Georgia, the western half of the Florida Panhandle, southeastern Florida, and Puerto Rico. From April 19th through the 20th, a line of thunderstorms produced heavy rainfall across central portions of Alabama and Georgia, with 24-hour precipitation totals exceeding 5 inches and numerous reports of localized flooding. Hurricane Zeta was responsible for wind gusts over 100 mph (160.93 kph) in southeastern Louisiana, while Hurricane Laura generated a wind gust of 133 mph (214.04 kph) in southwestern Louisiana. Two-day snowfall totals ranked as the largest on record for any month at Binghamton, New York, which saw 40.0 inches (101.6 cm) of snow, and Williamsport, Pennsylvania, which picked up 24.7 inches (62.7 cm). Rainfall totals were generally less than 3 inches (8 cm), with higher amounts in northern West Virginia, south-central Pennsylvania, and central and southern Maryland. The combination of heavy rain, melting snow, and wet antecedent conditions led to flooding in central/eastern New York, the eastern half of Pennsylvania, and Delaware. Wetter-than-normal weather during December helped alleviate drought and abnormally dry conditions in much of the Northeast. More than 4.3 million acres were consumed across California during 2020. This could be concerning as spring planting gets underway. Temperatures rebounded in the summer, with most states in the High Plains ranking in the top 15 warmest summers on record. Tropical Storm Fay formed on July 9, becoming the earliest F named storm. Excessive rainfall, paired with high humidity, in Georgia slowed the drying down of corn, with many farmers battling whiteflies and boll rot in cotton. Long-term weather stations reported record warmth in Oregon, California, and New Mexico. On May 26th, Miami, FL observed a 24-hour rainfall total of 7.40 inches (188 mm), which is its third wettest May day on record. Soil moisture conditions in the fall and early winter are important for the High Plains region because, as soils freeze, available moisture is locked in place until spring. The year ended quite warm, with a continuation of much-above-normal temperatures in December for most of the region. These conditions both improved and deteriorated through winter and into spring, with the total area experiencing at least abnormally dry conditions decreasing but the total area experiencing extreme drought conditions increasing, with a small area of exceptional drought conditions developing. Storm reports also indicated that hail accumulation of several inches was plowed off roads in western West Virginia. The U.S. On the 9th, Fort Lauderdale, FL observed its third wettest November day on record, with 7.30 inches (185 mm) of precipitation. Precipitation was drier than normal across all six states. The states fire tower network was extended due to increased fire risk. The 8.59.5 feet (2.62.9 meters) of storm surge destroyed many sand dunes and sea turtle nests in Oak Island, NC. Maple syrup production was slowed in Connecticut, with one producer expecting to lose around $60,000 in revenue. Nome logged its 15th warmest year on record since 1907 at 29.4 F (-1.4 C), 2.1 F (1.2 C) above normal. In 2020, above-average heat was more widespread than it has been in 2021 so far. The result was strong wind gusts for the entire Northeast and a major late season snowstorm for parts of Maine and New Hampshire from April 9 to 10. The statewide average annual temperatures are as follows: Arkansas - 61.15 degrees F (16.19 degrees C), Louisiana 68.18 degrees F (20.10 degrees C), Mississippi 65.31 degrees F (18.51 degrees C), Oklahoma 60.70 degrees F (15.94 degrees C), Tennessee - 59.34 degrees F (15.19 degrees C), and Texas 66.81 degrees F (19.34 degrees C). On August 7, just a few days after Isaias' excessive rainfall, strong storms produced heavy rain and more flash flooding in southeastern parts of the region. Just a week later, on Christmas Eve and Christmas Day, a storm system dropped as much as 6 inches (152 mm) of rain on the region, with several locations having one of their 10 wettest December days on record. Twenty-five fatalities and at least 166 injuries were caused by tornadoes during the year. Many extremely large fires with rapid spread rates occurred this year with California, Oregon, and Colorado all having set records for the largest fires in the states history. Storm snow totals exceeded 24 inches (61 cm) in an area stretching from central Pennsylvania through New York and into northern New England, where snow fell at rates of at least 3 to 4 inches (8 to 10 cm) per hour. A pocket of extreme rainfall occurred in the Rocky Mount-Wilson area of eastern North Carolina, with a 2-day total of 9.84 inches (250 mm) recorded at Rocky Mount-Wilson Regional Airport. Through summer, the total area experiencing drought or abnormally dry conditions increased, with extreme and exceptional drought conditions developing by mid-August. The warmest temperature observed during the year was 102 degrees F (38.9 degrees C), which was recorded at several locations across the region, including Macon, GA (July 20th), Athens, GA (July 20th), and Norfolk, VA (July 19th, 21st, and 28th). Six of the 12 Northeast states also recorded their hottest July on record: Connecticut, Delaware, Maryland, New Hampshire, New Jersey, and Pennsylvania. more than 0.4C cooler than March 2016, the warmest March on record. After making landfall near Creole, LA on October 9th, the remnants of Hurricane Delta impacted parts of the Southeast with heavy rain and flooding. These economic ramifications occur for several reasons, which include higher. Baker City, in northeast Oregon, saw its warmest year on record going back to 1944 with an annual average temperature 48.3 F (9.1 C), 3.9 F (2.2 C) above normal. Lower than usual streamflow on the Hudson River in New York in October led to increased sodium levels in Poughkeepsies water supply. Further east, in Californias Central Valley, Sacramento received 7.86 in (199.64 mm, 39% of normal) making it the fifth driest year since 1878. Upper Missouri Basin snowpack peaked in mid-April at just above normal above Fort Peck Reservoir and between Fort Peck and Garrison Reservoirs, according to the U.S. Army Corps of Engineers. Global temperatures in 2021 were 0.85 degrees Celsius (1.5 degrees Fahrenheit) above the average for NASA's baseline period, according to scientists at NASA's Goddard Institute for Space Studies (GISS). Average UK temperature for 2020 as a whole was 9.62C, which is behind only the years 2014 (9.88C) and 2006 (9.70C), and marginally warmer than 2011 (9.61C). Extreme (D3) and exceptional (D4) drought covered about 22 percent of the CONUS on December 29 the largest extent of D3 and D4 drought since August 2012 (24 percent). Storm reports noted numerous road closures, multiple water rescues, some evacuations, and a few homes taking on water. Soybean yields set records in both Indiana and Kentucky. In contrast, places such as Boulder, CO, experienced its snowiest season on record with 152 inches of snow. Earth's global average surface temperature in 2020 statistically tied with 2016 as the hottest year on record, continuing a long-term warming trend due to human activities. In fact, Philadelphia, Pennsylvania, had its fourth wettest July day on record with 4.15 inches (105.41 mm) of rain on July 10. Hurricane Sally made landfall near Gulf Shores, AL on September 16th, with peak sustained winds of 105 mph (47 m/s) and a maximum wind gust of 121 mph (54 m/s) reported at Fort Morgan, AL. Caribou, Maine, recorded 10.9 inches (27.7 cm) of snow on April 10, making it the sites second snowiest April day on record. Wisconsin, like the region, has recorded eight straight years above normal. Percentage Areas Very Warm/Very Cold Very Wet/Very Dry Climate at a Glance U.S. In addition, Baltimore, Maryland; Hartford, Connecticut; LaGuardia Airport, New York; Philadelphia and Scranton, Pennsylvania; Providence, Rhode Island; and Washington, D.C. recorded their greatest number of days with a high of at least 90 degrees F (32 degrees C) for any month on record. Wind gusts of up to 50 mph (22 m/s) were recorded in several coastal locations of Maryland, Delaware, and New Jersey, where some coastal flooding occurred. Several major storms affected the Northeast during 2020. Many waterways in drought areas across the Northeast saw below-normal streamflow during summer and the first half of fall. The Roanoke River crested almost 6 feet (1.8 meters) above flood stage on May 21st, sending water rushing onto some roadways and making them impassable. On April 13th, the strongest tornado of the year across the Southeast region occurred in Hampton County, SC. This is a mere 0.12C above the 1991-2020 reference period, making it a decidedly "average" year in comparison to the climate of the recent past. Annual temperature departures were above normal for nearly all of the Western U.S. The tornadoes downed trees, destroyed outbuildings, and damaged roofs and siding of some buildings. From November 8th through the 12th, Tropical Storm Eta produced 5 to more than 10 inches (127 to more than 254 mm) of rainfall across portions of west-central and southern Florida. During January and February, many cattle producers were forced to rely on supplemental feedings of hay due to excessively wet pastures. 2020 ranked among the seven warmest years on record for all the states: second warmest for Connecticut, Delaware, Maryland, Massachusetts, New Jersey, and Rhode Island; third warmest for New York and Pennsylvania; fourth warmest for New Hampshire; fifth warmest for Maine and Vermont; and seventh warmest for West Virginia. Climate Extremes Index (CEI) Climatological Rankings Citing This Report

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