


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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620 CDUS45 KRIW 170739 CLIGEY CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 139 AM MDT THU APR 17 2025 ................................... ...THE GREYBULL WY CLIMATE SUMMARY FOR APRIL 16 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 76 3:06 PM 80 2018 60 16 69 MINIMUM 33 5:46 AM 16 2022 33 0 43 AVERAGE 55 47 8 56 PRECIPITATION (IN) YESTERDAY 0.00 0.07 2002 0.02 -0.02 0.00 MONTH TO DATE T 0.22 -0.22 0.68 SINCE MAR 1 0.47 0.44 0.03 1.12 SINCE JAN 1 0.68 0.71 -0.03 1.17 DEGREE DAYS HEATING YESTERDAY 10 18 -8 9 MONTH TO DATE 294 322 -28 242 SINCE MAR 1 1026 1162 -136 1060 SINCE JUL 1 6511 6986 -475 6316 COOLING YESTERDAY 0 0 0 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 37 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 10.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 73 11:00 PM LOWEST 14 2:00 PM AVERAGE 44 .......................................................... THE GREYBULL WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 60 81 2005 MINIMUM TEMPERATURE (F) 34 19 2020 SUNRISE AND SUNSET APRIL 17 2025.........SUNRISE 6:24 AM MDT SUNSET 8:00 PM MDT APRIL 18 2025.........SUNRISE 6:23 AM MDT SUNSET 8:01 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$