To the west, West Virginia saw flood-inducing heavy rain, with the greatest totals approaching 4 inches (102 mm). This ranked 2020 as the 12th warmest since 1895, and the warmest year since 2012. One of the wetter locations was northern Washington, west of the Cascades. The Midwest was completely free of drought from January through May of 2020. Preliminary reports indicate Hurricane Laura generated a storm surge over 17 feet (5.18 meters) above ground level, which would be the largest surge on record for Louisiana. These averages are consistent with accepted baseline measures that major governmental and scientific sources use as a point of comparison over long time horizons2, 3. Alabama, South Carolina, North Carolina, Virginia, West Virginia, Maryland and Delaware each ranked warmest on record with six additional states' minimum temperatures ranking second warmest on record. Based on the 2-digit Hydrologic Unit Code watersheds, the California region had the lowest SWE at 76% of normal. Rivers and Lakes. Vegetable and citrus growers in southern Florida had to pump excess water out of their fields due to the persistent rainfall. While agricultural and livestock production was satisfactory across much of the Southeast during the year, exceptional wetness and numerous landfalling tropical cyclones did produce some significant impacts. 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. Much of the western half and eastern third of the CONUS experienced above-average maximum temperatures for the year with Arizona ranking warmest on record. In addition, almost 400,000 customers lost power. The last time New York and New England experienced drought conditions was in the summer/fall of 2018. average or Texas experienced landfalls from Hurricane Hanna and Tropical Storm Beta. In Georgia, the blueberry crop was badly damaged by severe weather in April. Hurricanes Hanna and Delta were primarily rain events, with reports of 15 inches (381 mm) in southern Texas from Hanna and 17 inches (431.80 mm) in southwestern Louisiana from Delta. Good harvest conditions in Iowa limited the loss from the derecho and lodged crops. More than 10,000 residents of Midland were evacuated in less than 12 hours with no loss of life. According to the U.S. Drought Monitor (USDM), drought coverage expanded throughout much of 2020 with a minimum CONUS extent of 9.6 percent occurring on February 18 and maximum coverage of approximately 50 percent on December 22. The 2020 annual precipitation totals indicate that precipitation for the year was above normal for much of the Southern Region, with Tennessee experiencing its sixth-wettest year on record while the region as a whole received an average annual precipitation total of 328.59 inches (8346.19 mm), making it the eleventh-wettest year on record. Snowfall is an ample 60 (1524mm) in Salt Lake City and substantial in much of the state except the far southern valleys. Hurricane averages 3 inches of snow per year. March 20th saw six flooding deaths in Indiana when bridges were washed out near Laurel, Indiana. The coldest temperature observed during the year was -4 degrees F (-20 degrees C), which was recorded on Mt. 2020 was a year of transition for the High Plains region, as cool, wet conditions over the past two years gave way to a warmer and drier regime. An early season freeze event occurred in the Upper Midwest on September 8th-11th. WebSalt Lake City, Utah gets 20 inches of rain, on average, per year. On the 16th, Pensacola, FL observed its fourth wettest day for any month on record, with 11.85 inches (301 mm) of rainfall. Peaking in intensity in early July, moderate-to-severe drought conditions covered over half of the island. US Census Bureau, Population Division Variable Names and Descriptions, Native Hawaiian and Other Pacific Islander, Keep up with the latest data and most popular content. Coastal flooding occurred from New Jersey to Maine. The use of a two standard deviation cut-off point, which places approximately 95% of observations into the average categorization means that months categorized as warmer, cooler, wetter, and drier represent rarer than once-in-20-year events. The severe weather season got off to a very slow start this year, with only 10 tornado watches issued nationally during May. Climate can mean the average weather for a particular region and time period taken over 30 years. Portland, Maine, recorded its hottest minimum temperature for any month since 1940 with a low of 78 degrees F (26 degrees C) on July 27. In addition, December 17 became the snowiest December day on record for Binghamton, with 26.4 inches (67.1 cm), and Albany, New York, with 19.7 inches (50.0 cm). There were three months (January, February, and September) where every state was wetter than normal and one month (November) where every state was drier than normal. On average, June is the driest month with 0.2 inches (4 mm) of precipitation. 30-Yr U.S. These areas included portions of northern New England, New York, and Pennsylvania. Summer High: the July high is around 90 degreesWinter Low: the January low is 17Rain: averages 15 inches of rain a yearSnow: averages 43 inches of snow a year. Utah gets some kind of precipitation, on average, 75 days per year. Abnormal dryness was next introduced during the second half of May, this time in parts of New York and northern New England. The 8.59.5 feet (2.62.9 meters) of storm surge destroyed many sand dunes and sea turtle nests in Oak Island, NC. Baker City, Oregon logged a record low 3.36 in (85.34 mm), 33% of normal, for the year to accompany the record high temperatures. WebAnnual average precipitation is 24 inches. In August, every state except for Arkansas and Oklahoma experienced warmer than normal temperatures, while every state except for Oklahoma and Texas experienced wetter than normal conditions. In addition, for the first time on record, Newark did not reach 70 degrees F (21 degrees C) during the month of April. 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). On August 5th, a 42-year-old man and a 77-year-old man were struck and killed while cleaning up debris from Hurricane Isaias in Wilmington, NC. Several notable maximum and minimum temperature records occurred across the region during the year. 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 warmth kicked off in January with Boston, Massachusetts; Providence, Rhode Island; and Bridgeport, Connecticut, having their warmest January day on record with highs near or above 70 degrees F (21 degrees C). Hundreds of thousands of customers lost power in the Northeast, including more than 115,000 customers in Massachusetts. These fires burned thousands of acres of forest and rangeland, caused evacuations, closed roads, and impacted air quality. A streak of 14 straight weeks, from mid-January to mid-April, set a new record with no abnormally dry area in the region. Even in these areas, the wetness became a memory as drought developed and expanded in the late summer, fall, and early winter. WebMesoWest Precipitation Totals. Highly-localized flooding was also noted on western Long Island and in northeastern Massachusetts. Boulder, Colorado: Highest seasonal snowfall total on record with 152.0 inches (386 cm) (period of record 1893-2021), Grand Forks, North Dakota: Tied for highest 1-day total precipitation of 4.26 inches (108 mm) for the month of June, June 30 (period of record 1893-2021), Casper, Wyoming: Earliest autumn snowfall on record with 2.3 inches (6 cm), September 7 (period of record 1939-2021), Cheyenne, Wyoming: Highest 1-day total snowfall of 14.0 inches (36 cm) for the month of October, October 25 (period of record 1883-2021). Persistent rainfall in the Pee Dee region of South Carolina caused some health issues in livestock, including coccidia, pneumonia, and salmonella. From July 29th through the 30th, Tropical Storm Isaias impacted parts of Puerto Rico, with over 9 inches (229 mm) of rainfall recorded in Juncos. 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. Before 2005, 1998 was the last year to see above-average precipitation. Meanwhile, for those looking to get out and enjoy the weather, fires, along with poor air quality from the smoke, impacted a range of recreational activities. Flooding issues were noted especially in eastern Kentucky in February, the Ohio River flood plain in the spring but also along the Mississippi River system. WebStatewide Average Average Precipitation for 77 Mountain SNOTEL Sites (Through 0212312023) 2023 Aug Jul Jun May Apr Mar Feb Jan Dec Nov Oct 30-Yr Avg. This topped the 12-week stretch in early 2019 with no abnormally dry conditions. 2020 also marks the sixth consecutive year (2015-20) in which 10 or more separate billion-dollar disaster events have impacted the U.S. WebWeather.gov > Salt Lake City, UT > Snow and Precipitation Data. From May 19th through the 21st, a slow-moving upper-level low ushered in a deep stream of moisture across the western Carolinas and southwestern Virginia, with 72-hour precipitation totals exceeding 8 inches (203 mm) and numerous reports of localized flooding. There were at least 60 injuries and 4 deaths attributed to the storm system. Alaska data was limited to 1925 forward; therefore our 20th century average for Alaska is based on the known 75-year time span. Hartford, Connecticut, recorded 39 days this summer with a high of at least 90 degrees F (32 degrees C), its greatest on record for summer. Climate Extremes Index (USCEI) for 2020 was 80 percent above average and ranked as seventh highest in the 111-year record. The highest annual precipitation total for any station (excluding CoCoRaHS) across the region was recorded in Highlands, which surpassed its previous wettest year on record (2018) by 11.04 inches (280 mm). In Florida, West Palm Beach, Jacksonville (18712020), and Pensacola (18792020) observed their highest or second highest annual count of 313, 238, and 208 days with a maximum temperature at or above 80 degrees F (26.7 degrees C). All western states had stations reporting in the top ten warmest years on record. WebSalt Lake City weather averages and climate Salt Lake City, Utah. 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. This was the first EF-4 tornado in South Carolina since 1995, and it was the second of 12 tornadoes in a tornado family that traveled over 150 miles (241 km) from Middleground, GA to Murrells Inlet, SC. Southern parts of the region experienced severe weather from April 7 to 9. In southeastern Pennsylvania, Chester Creek rose to its fourth highest water level on record, exceeding its previous fourth highest level set days earlier. All values that fell below or above two standard deviations are defined as climatic anomalies; cooler/wetter than or warmer/drier than the historical norm, respectively. California, Nevada, and the Four Corners states all received below normal precipitation with some pockets of above normal in Washington, Oregon, Idaho, and Montana. The remnants of Fay helped spawn an EF-0 tornado in southern Maine on July 11. The Albany International Airport in New York recorded a wind gust of 67 mph (30 m/s), its highest October wind gust since 1987. Autumn was wetter and warmer than normal for most of the Southern Region. Utah finished the season at 25-3 overall with a 14-0 home record. According to the U.S. Drought Monitor, 18% of the West was in drought at the beginning of the year with no locations worse than severe drought (D2). 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). In Alaska, annual temperatures were above normal along the North Slope, in western coastal Alaska, and the Aleutian Islands. 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. It was the first time in Baltimore, Marylands 128 years of recordkeeping that that site saw no snow during February. The six Midwest states with above-normal precipitation in 2020 all exceeded their normal annual precipitation by November, and Kentucky did so in October. Louisiana, Mississippi, and Texas experienced a top-10 warmest year on record, and the region as a whole had an average annual temperature of 63.58 degrees F (17.54 degrees C), making it the fourteenth-warmest year on record. 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. Another widespread wind event occurred on November 15. Severe drought was introduced in Maine and New York, while moderate drought expanded and abnormal dryness encompassed nearly half the region. Dulles Airport, Virginia, and Erie, Pennsylvania, set or tied their greatest number of April days with measurable precipitation. For the West Coast fires, the exceptionally dry winter followed by a dry and hot summer and autumn were the main climate contributing factors. On February 6th, a slow-moving low pressure system produced over 5 inches (127 mm) of rainfall across portions of western North Carolina and Upstate South Carolina. Kentucky was the wettest state with 9.97 inches (253 mm) above normal which ranked as the 8th wettest in its history. 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. January; February; March; April; May; June; July; August; September; October; November; December ; Entire Year ; LaGuardia Airport and Central Park, New York, recorded their warmest Novembers on record. The total area experiencing at least abnormally dry conditions grew from roughly one-third of the region to two-thirds of the region by the end of the year while the total area experiencing exceptional drought conditions increased. Weather can change from minute-to-minute. October was mixed with respect to temperature, with three states (Arkansas, Oklahoma, and Texas) experiencing cooler than normal temperatures while three states (Louisiana, Mississippi, and Tennessee) experienced warmer than normal temperatures. Three more states had more than 2.00 inches (51 mm) above normal and another two (Illinois and Wisconsin) had more than 1.00 inch (25 mm) above normal. Sixty-one tornadoes were confirmed in South Carolina, which is the states second highest annual count behind the 86 tornadoes observed during 2004. In October, Hurricane Zeta caused additional cotton losses in Georgia and the Florida Panhandle, as heavy rainfall led to an increase in boll rot. There were over 106,000 daily temperature records tied or broken during 2020. In addition, a 55-mph (25-m/s) wind gust reported at Gainesville Regional Airport, FL was the highest gust observed during the month of December since records began in 1973, breaking the old record of 46 mph (21 m/s) set on December 24, 2014. The US average is 205 sunny days. Early on December 25th, snow flurries were reported as far south as Charleston International Airport, SC, which is only its second trace of snowfall on Christmas Day since 1938. 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. experiencing similar Portions of New England were designated as natural disaster areas by the U.S. Department of Agriculture, making some farmers eligible for federal assistance. There were numerous closed roads, submerged vehicles, and dozens of water rescues. The contiguous U.S. average annual precipitation was 30.28 inches, which is 0.34 inches above the long-term average, ranking in the middle third of the historical record. December 2019 was warmer and drier than normal (with the exception of Mississippi and Tennessee, which were slightly wetter than normal), with Oklahoma and Tennessee experiencing their tenth-warmest December on record while Louisiana experienced its eighth-driest December on record. In February, five of six states experienced warmer than normal conditions (Texas was slightly cooler than normal) while all six states were wetter than normal, with Mississippi experiencing its fifth-wettest February on record while Tennessee experienced its eighth-wettest February on record. Warm conditions continued into March, but, overall, spring temperatures were below normal due to cooler conditions in April and May. 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). Climate is the description of the long-term pattern of weather in a place. 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. Despite slightly above normal snowpack in the Colorado River Basin, April-July inflows into Lake Powell were only 52% of normal due a combination of above normal temperatures and evaporative demand and a lack of any substantial early summer monsoonal rainfall. April was primarily cooler and wetter than normal, with every state except for Louisiana and Texas experiencing cooler than normal temperatures while every state except for Oklahoma and Texas experienced wetter than normal conditions. The states fire tower network was extended due to increased fire risk. The coldest temperature observed during winter 2019-20 in Washington, D.C., was 22 degrees F (-6 degrees C) and at Dulles Airport was 15 degrees F (-9 degrees C), which were the warmest minimum temperatures for winter on record. Wildfire activity across Alaska was below average and consumed approximately 181,000 acres in 2020 only 15 percent of the 2010-2019 average. 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