Climatological Report (Daily)
Issued by NWS
Issued by NWS
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771 CDUS45 KRIW 210727 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT SUN APR 21 2024 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 20 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2024 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM MM MM 57 2010 42 MM 32 2016 MINIMUM MM MM -1 2023 18 MM -1 AVERAGE MM 30 MM 16 PRECIPITATION (IN) YESTERDAY 0.00 0.40 2001 0.08 -0.08 0.00 MONTH TO DATE 0.70 1.59 -0.89 1.72 SINCE MAR 1 5.01 3.49 1.52 5.75 SINCE JAN 1 9.48 6.99 2.49 8.96 DEGREE DAYS HEATING YESTERDAY MM 35 MM 49 MONTH TO DATE 605 754 -149 859 SINCE MAR 1 1973 2112 -139 2447 SINCE JUL 1 9447 10316 -869 10420 COOLING YESTERDAY MM 0 MM 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 4 HIGHEST WIND DIRECTION E (99) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 0.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 5:00 AM LOWEST 55 10:00 AM AVERAGE 70 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 56 2009 2016 MINIMUM TEMPERATURE (F) 18 2 2002 SUNRISE AND SUNSET APRIL 21 2024.........SUNRISE 6:27 AM MDT SUNSET 8:15 PM MDT APRIL 22 2024.........SUNRISE 6:25 AM MDT SUNSET 8:16 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$