was in drought, down about 4.7 percent from the end of April. Drought Monitor report, 43.7 percent of the contiguous U.S. This is the latest in the season this station has observed at least 1 inch of snow. Eagle, AK, reported 1 inch of snowfall on May 29.Despite precipitation across Alaska ranking near average for May, much of western Alaska was drier than average, and eastern Alaska wetter than average.More than a foot of rain fell near Lake Charles, Louisiana, still recovering from damage caused by Hurricanes Laura and Delta, which made landfall across the region last summer. Torrential rainfall, associated with slow-moving thunderstorms across parts of coastal Texas and Louisiana on May 17-18, brought widespread flash flooding and power outages, and resulted in hundreds of water rescues.Agricultural, fish and wildlife as well as fire concerns are mounting across much of the West. Many western reservoir levels were at low levels. Drought emergencies were declared across portions of California and Oregon during May.California ranked fourth driest while Utah and Florida ranked ninth driest during May. Precipitation was below average across much of the West, portions of the northern Plains, Great Lakes, northern New England, mid-Atlantic and Southeast.Louisiana and Texas ranked fifth wettest on record for May. Precipitation was above average from the central and western Gulf Coast into portions of the central Plains and scattered across parts of the northern Rockies and southern New England.was 2.94 inches, 0.03 inch above average, ranking in the middle one-third of the historical period of record. The May precipitation total for the contiguous U.S.temperature-related energy demand during May was 56 percent of average and the 34th highest value in the 127-year period of record. Based on NOAA's Residential Energy Demand Temperature Index (REDTI), the contiguous U.S.Based on data records as of June 8, there were 2,501 record warm daily high (947) and low (1,554) temperature records during May, which is nearly 74 percent of the 3,380 record cold daily high (2,200) and low (1,180) temperature records.This is the first time in more than 100 years that Nome has reported measurable snowfall following the first 70☏+ day of the spring. On May 28, 0.2 inch of snow was reported. On May 25, Nome reported a high temperature of 71☏.Aided by near- to below-average spring temperatures in the region, Bering Sea ice average extent during May was the highest since 2013, but still lower than average levels observed during the 20th century.Temperatures were above average across much of the western, central and southern portions of Alaska.
The Alaska average May temperature was 40.2☏, 2.4☏ above the long-term mean, ranking in the warmest third of the record for the state.Temperatures were cooler than average across parts of the Panhandle.Above-average minimum temperatures were observed across much of the West Coast and Southwest, parts of the Gulf Coast, New England and across portions of the central Plains and Great Lakes. average minimum (nighttime) temperature during May was 47.8☏, 0.4☏ above the 20th century average, ranking among the middle one-third of the record.
Below-average daytime temperatures occurred from the central and southern Plains to the Ohio Valley. Above-average maximum temperatures were observed across the West Coast and Southwest as well as parts of the western Great Lakes, New England, mid-Atlantic and Florida. average maximum (daytime) temperature during May was 72.9☏, 0.1☏ below the 20th century average, ranking in the middle one-third of the record. Temperatures were below average across portions of the northern Rockies as well as the central and southern Plains, central Gulf Coast, Southeast, and into the Ohio Valley.
This pattern contributed to above-average temperatures across parts of the West Coast, Southwest, New England and Florida. and a trough of low pressure over much of the East. The dominant large-scale pattern during May was a ridge of high pressure across the western U.S.temperature during May was 60.4☏, 0.2☏ above the 20th century average and ranked in the middle third of the 127-year period of record.
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