


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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429 CDUS45 KRIW 220728 CLIGEY CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 128 AM MDT SUN JUN 22 2025 ................................... ...THE GREYBULL WY CLIMATE SUMMARY FOR JUNE 21 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 84 3:05 PM 104 2016 84 0 84 MINIMUM 53 11:59 PM 42 2000 54 -1 58 AVERAGE 69 69 0 71 PRECIPITATION (IN) YESTERDAY 0.03 0.27 2009 0.03 0.00 T MONTH TO DATE 0.27 0.90 -0.63 0.40 SINCE JUN 1 0.27 0.90 -0.63 0.40 SINCE JAN 1 2.98 3.25 -0.27 3.63 DEGREE DAYS HEATING YESTERDAY 0 1 -1 0 MONTH TO DATE 27 55 -28 29 SINCE JUN 1 27 55 -28 29 SINCE JUL 1 6996 7540 -544 6914 COOLING YESTERDAY 4 5 -1 6 MONTH TO DATE 89 68 21 84 SINCE JUN 1 89 68 21 84 SINCE JAN 1 110 92 18 84 ................................................................... WIND (MPH) HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION N (340) AVERAGE WIND SPEED 17.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RELATIVE HUMIDITY (PERCENT) HIGHEST 75 4:00 AM LOWEST 17 3:00 PM AVERAGE 46 .......................................................... THE GREYBULL WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 98 2001 MINIMUM TEMPERATURE (F) 54 39 2019 SUNRISE AND SUNSET JUNE 22 2025..........SUNRISE 5:28 AM MDT SUNSET 9:01 PM MDT JUNE 23 2025..........SUNRISE 5:28 AM MDT SUNSET 9:01 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$