


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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067 CDUS45 KRIW 150728 CLIGEY CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 128 AM MDT TUE JUL 15 2025 ................................... ...THE GREYBULL WY CLIMATE SUMMARY FOR JULY 14 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 99 1:52 PM 108 2002 92 7 99 MINIMUM 59 4:43 AM 50 2009 58 1 59 2016 AVERAGE 79 75 4 79 PRECIPITATION (IN) YESTERDAY 0.00 T 2012 0.01 -0.01 T 2018 2024 MONTH TO DATE 0.12 0.10 0.02 0.98 SINCE JUN 1 0.58 1.18 -0.60 1.38 SINCE JAN 1 3.29 3.53 -0.24 4.61 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 4 SINCE JUN 1 46 62 -16 33 SINCE JUL 1 0 0 0 4 COOLING YESTERDAY 14 10 4 14 MONTH TO DATE 146 123 23 110 SINCE JUN 1 278 245 33 284 SINCE JAN 1 299 269 30 284 ................................................................... WIND (MPH) HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 6.6 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 60 5:00 AM LOWEST 10 4:00 PM AVERAGE 35 .......................................................... THE GREYBULL WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 92 104 2006 MINIMUM TEMPERATURE (F) 59 48 2020 SUNRISE AND SUNSET JULY 15 2025..........SUNRISE 5:42 AM MDT SUNSET 8:54 PM MDT JULY 16 2025..........SUNRISE 5:43 AM MDT SUNSET 8:53 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$