A standard deviation measures the amount of variability among the numbers in a data set, the typical distance of a data point from the mean of the data and is calculated against the NClimDiv data as: Source Agency: Monthly (within first week of each month). 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. 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. Utah finished the season at 25-3 overall with a 14-0 home record. In addition, Burlington, Vermont, tied its greatest number of June days with a high of at least 90 degrees F (32 degrees C). While cotton producers in the Florida Panhandle continued their harvest, some noted that cotton yields were particularly poor this year from excessively wet weather. WebThe percentage chance that a given day is within the growing season, defined as the longest continuous period of non-freezing temperatures ( 32F) in the year (the calendar year in A man in Bradenton Beach, FL was electrocuted when he touched an appliance while standing in floodwater. WebThis table gives the total precipitation that fell on Salt Lake City during each year from 2010. Temperatures were below normal in the Interior, Southcentral, and Southeast regions of Alaska. Use this map to understand where, county by county, monthly averages are significantly below or above historical average. In fact, according to the National Weather Service, it was the latest occurrence of snow on record for the New York City area climate sites, which saw a trace. On the 11th, Sarasota-Bradenton, FL (19112020) observed its wettest November day on record, with 6.41 inches (163 mm) of rainfall. During the summer, drought conditions expanded to include over 70 percent of Wyoming and nearly all of Colorado. The U.S. Drought Monitor released in June 25 showed 16 percent of the Northeast in a moderate drought and 26 percent was abnormally dry. Good harvest conditions in Iowa limited the loss from the derecho and lodged crops. Asheville, NC (18692020) observed its highest annual count of 157 days with measurable precipitation, while Miami, FL (18952020) tied its highest annual count of 30 days with at least 1 inch (25 mm) of precipitation. Hurricane Zeta made landfall near Cocodrie, LA on October 28th, with a wind gust of 91 mph (41 m/s) reported in Mobile, AL. There were two months (March and November) where the entire region experienced a top-10 warmest month on record. Drought conditions also dried up or reduced water supplies that some firefighters rely on to fight fires. Population numbers are calculated by grouping county-level populations By the end of 2020, 79% of the West was in drought and 22% of the region in exceptional drought (D4). Highly-localized flooding was also noted on western Long Island and in northeastern Massachusetts. WebHurricane, Utah gets 14 inches of rain, on average, per year. Six of the 12 Northeast states also recorded their hottest July on record: Connecticut, Delaware, Maryland, New Hampshire, New Jersey, and Pennsylvania. Meanwhile, autumn was characterized by extreme temperature swings, with October ranking in the top 10 coldest and November ranking in the top 10 warmest for some states in the region. The greatest totals of over 12 inches (30 cm) were reported in northwestern Pennsylvania, with a location in Erie County picking up 22.5 inches (57.2 cm). This was the states largest winter tornado outbreak. Temperatures were well above average across much of the Southeast during the year, particularly in Florida and along coastal portions of the region. During July, the general trend across the region was worsening conditions. Some areas of the region, especially western and southern Colorado, had departures over 2.0 degrees F (1.1 degrees C), which led to many locations ranking in the top 10 warmest years on record. Annual precipitation totals ranged from 12 to more than 20 inches (305 to more than 508 mm) above average in these areas. June, July, and December also ranked among the warmest 20 percent (top 25) of history for the region. Greenville-Spartanburg, SC (18842020) and Hickory, NC (19492020) observed their wettest February day on record, with 5.36 and 5.31 inches (136 and 135 mm) of precipitation, respectively. Drought conditions expanded or intensified across much of the western U.S. and southern to central High Plains throughout 2020 with persistent above-average temperatures and precipitation deficits in place across much of the West. 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. Based on the 2-digit Hydrologic Unit Code watersheds, the California region had the lowest SWE at 76% of normal. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time. WebMoab weather averages and climate Moab, Utah. 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. 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. Meanwhile, Bismarck, ND had its second wettest year in 2019, followed by its third driest in 2020 (period of record 1874-2021). Iowa had its 3rd driest August in history. We defined all monthly temperature and precipitation values to be average in comparison to the 20th century average if they fell within two standard deviations of the 20th century average. In late May, Scranton, Pennsylvania, and Burlington, Vermont, set/tied their hottest May day on record. Storm reports also indicated that hail accumulation of several inches was plowed off roads in western West Virginia. Eight of the Northeast states were drier than normal while four were wetter than normal. For instance, the Frankford Creek rose 4 feet (1 m) in 10 minutes, while Pennypack Creek reached 10.45 feet (3.19 m), which ranked as the ninth highest water level since 1965 (based on preliminary data). 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. Conditions generally improved in the region during November. This bucket categorization is critical to eliminate data noise as regional geographies experience natural fluctuations in temperature and precipitation from year to year. There were road closures, some evacuations, and reports of water in houses. Farmers dealt with extremely dry conditions. WebAverage temperatures and precipitation amounts for more than 120 cities in Utah. 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. The highest snowfall totals of 40 to 44 inches (102 to 112 cm) were reported in central New York, eastern Vermont, and western New Hampshire. Allentown, Pennsylvania, and Harrisburg, Pennsylvania, had their least snowy seasons (October through May) on record. Use of irrigation was widespread; however, in some locations it was expensive or water supplies ran low or dried up. 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. The Census Bureau has three population estimation programs: Postcensal, Intercensal, and Vintage. A climate graph showing rainfall, temperatures and normals. The old record was 3.86 inches (98.04 mm) of precipitation on September 14, 1973. Hundreds of thousands of customers lost power in the Northeast, including more than 115,000 customers in Massachusetts. 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. 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. Maple syrup production was slowed in Connecticut, with one producer expecting to lose around $60,000 in revenue. This years tornado reports were particularly low, with only 129 reported through October. We were unable to display data for this section. Below-average precipitation fell across much of the West, northern Plains and parts of the Northeast. February US Release: Wed, 8 Mar 2023, 11:00 AM EST, Alabama, South Carolina, North Carolina, Virginia, West Virginia, Maryland and Delaware, NOAA's Residential Energy Demand Temperature Index (REDTI), contiguous U.S. average annual precipitation, lowest known mean sea level pressure on record, nine climatic regions of the National Climatic Data Center, Northeast Regional Climate Center Home Page, Southeast Regional Climate Center Home Page, High Plains Regional Climate Center Home Page, Southern Regional Climate Center Home Page, Western Regional Climate Center Home Page. Drought conditions exhibited a slightly cyclical pattern throughout the Southern Region during 2020, but conditions primarily deteriorated as the year progressed. The US average is 38 inches of rain per year. For instance, in late September, topsoil and subsoil were very dry for 80 to 100 percent of Maine, New Hampshire, and Rhode Island. Southern parts of the region experienced severe weather from April 7 to 9. Dozens of swift water rescues were performed by emergency personnel, with five flood-related fatalities reported at a campground in Alexander County, NC. Every state except for Oklahoma experienced warmer than normal temperatures while every state except for Texas experienced wetter than normal conditions. Sixty-one tornadoes were confirmed in South Carolina, which is the states second highest annual count behind the 86 tornadoes observed during 2004. 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. The country's total annual precipitation total was 30.28 inches in 2020, which was about 0.34 inches above average. A plan to pump 80,000 acre feet of water a year from Lake Powell to Sand Hollow Reservoir passed the Utah legislature in 2006 and met immediate opposition from Non-thunderstorm wind gusts of 40 to 60 mph (18 to 27 m/s) were common, with some of the highest wind gusts reaching 82 mph (37 m/s) near Lanoka Harbor, New Jersey; 80 mph (36 m/s) in Milton, Massachusetts; 79 mph (35 m/s) in Dewey Beach and Indian Beach, Delaware; and 75 mph (34 m/s) in Moosic, Pennsylvania. 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. Hurricane averages 3 inches of snow per year. On June 26th, Tampa, FL tied its warmest daily maximum temperature for any month on record, at 99 degrees F (37.2 degrees C). Temperature and precipitation are two of the main ways people experience climate. 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 calendar year started with near-continuous storms and favorable water supply forecasts. The record of 163 consecutive days was set last year. Seven major climate sites including Philadelphia, Pennsylvania; Baltimore, Maryland; and Atlantic City, New Jersey, tied their record for least snowy spring (March through May). This topped the 12-week stretch in early 2019 with no abnormally dry conditions. 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. Coastal flooding occurred from New Jersey to Maine. The Rio Grande and Great Basin were both at 91% of normal, the Pacific Northwest and Upper Colorado both at 107% of normal, and the Lower Colorado at 108% of normal. 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. Peaking in intensity in early July, moderate-to-severe drought conditions covered over half of the island. In July, the warmest month, the average day time temperature rises to 90.6F. For example, in New Hampshire, an emergency drought law banning outdoor fires near public woods was in effect for a month, and several communities and the White Mountains National Forest had burn bans. Prolonged saturated soil caused some farmers to abandon portions of their soybean and cotton fields. Lower than usual streamflow on the Hudson River in New York in October led to increased sodium levels in Poughkeepsies water supply. Multiple residences were destroyed by this fire, and many residents were told to evacuate the area. Although data for Honolulu are available from 1890 onward, data for Lihue and Kahului are limited to 1905 forward and Hilo data are limited to 1949 forward, with certain transitory phases during station maintenance also missing data. Cordova had its 4th driest year dating back to 1910 with 64.02 in (1626.11 mm, 71% of normal) and Kenai also saw its 4th driest year since records began in 1900 at 11.72 in (297.69 mm, 64% of normal). A rare tornado outbreak occurred on February 7 in Maryland where five tornadoes touched down: an EF-0 and four EF-1s. Dry wells were reported in New York and across New England, including more than 275 wells in Maine. There were 8 fatalities attributed to Hurricane Sally, including a 45-year-old female kayaker who had gone missing at the height of the storm. July was warmer than normal across all six states, with Texas experiencing its sixth-warmest July on record. To the north, in western Pennsylvania, three weak (EF-0 or EF-1) tornadoes damaged trees and buildings, the Pittsburgh International Airport recorded its second highest thunderstorm wind gust on record at 75 mph (34 m/s), and a hangar and plane were destroyed at the Arnold Palmer Municipal Airport. WebClimate in Utah Utah, Utah gets 15 inches of rain, on average, per year. Toggle Dropdown. Although the threshold for what is considered extreme weather differs across research and government organizations, we used a standardized baseline to classify approximately 95% of 20th century events as average. Areas of much above normal precipitation were far more limited relative to the extent of areas that were well below normal. Rhode Island officials noted that fires were climbing trees and were concerned that items like lawn mowers and chains could spark fires, which is a behavior more typical of western U.S. wildfires and unusual in the Northeast. In November, every state experienced warmer than normal conditions, with Texas experiencing its fourth-warmest November on record, Oklahoma experiencing its eighth-warmest November on record, and the region as a whole experiencing its ninth-warmest November on record. Across the region, the strong winds downed trees and wires and damaged homes and buildings. On the 30th, San Juan (18982020) observed its second wettest July day on record, with 4.46 inches (113 mm) of precipitation. Posted: Feb 28, 2023 / 02:06 PM MST. The nationally averaged minimum temperature (overnight lows) during 2020 was 42.4F, 2.4F above average and also ranked sixth warmest in the 126-year record. Severe drought touched parts of the five western-most states and extreme drought affected parts of southwestern Missouri and western Iowa. Washington, D.C. (18842020), Blacksburg, VA (18932020), and Mt. Much of New England experienced the emergence of drought during the second half of 2020 with marked improvement by the end of the year. All state rankings are based on the period spanning 1895-2020. However, from the 12th through the 16th, Sally impacted parts of Florida with numerous reports of localized flooding, resulting in several road closures, stalled vehicles, and water entering multiple residences and businesses. Mississippi had the most tornado reports (127) while Texas had the most hail (601) and wind (817) reports. For additional details regarding these highlights, please see the following pages: *Temperature and precipitation values and ranks are based on preliminary data. Numerous trees and branches were felled due to a combination of strong winds, drought stress, and being fully leafed. Later in the season, a lack of snow cover across the Plains and low snowpack in the central Rockies also impacted skiing and snowmobiling activities. It was the first time in Baltimore, Marylands 128 years of recordkeeping that that site saw no snow during February. Drought stress also caused leaves to change color and drop earlier than usual in parts of the Northeast. Forecasts. The maximum wind speed was estimated at 85 mph, and three injuries were associated with the microburst. Of these 85 stations, twenty-five observed their wettest year on record, including Highlands, NC (18792020; 136.50 inches, 3,467 mm), Fort Lauderdale, FL (19122020; 104.00 inches, 2,642 mm), Scottsboro, AL (18912020; 86.69 inches, 2,202 mm), and Lynchburg, VA (18932020; 69.73 inches, 1,771 mm). Temperatures rebounded in the summer, with most states in the High Plains ranking in the top 15 warmest summers on record. Big ideas in affordable housing will compete for $300K in nonprofits annual contest S.L. Heavy rainfall during early December saturated vegetable fields in southern Florida, resulting in crop losses, increased disease pressure on lettuce and beans, and bloom dropping in pepper and tomato plants. This page displays precipitation totals calculated from weather station data. Due to reduced yields, farmers bought hay to feed livestock, but there were hay shortages and increased prices, with a Vermont farmer spending as much as $20,000 on feed. The transformations to these climatic data were done to provide users with an intuitive understanding of whether a given months total precipitation or average temperature were similar to or different than the corresponding historical average. In September, many farmers in the Florida Panhandle and southern Alabama reported a loss of cotton, peanuts, and pecans due to the passage of Hurricane Sally. All rights reserved. By the middle of May, the coverage in drought was significantly reduced across Florida, but areas of severe drought remained in southwestern Florida and coastal Alabama. 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. Newark, New Jersey, had its wettest July on record with 11.17 inches (283.72 mm) of rain. Portland, Maine, recorded its earliest 70 degrees F (21 degrees C) day on record on March 9. The year started off on the warm side, with winter temperatures generally above normal, except for western areas of Colorado and Wyoming. Much of New England saw an unusually high number of fires or atypical fire behavior, with fires burning deeper and taking longer to extinguish. 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