


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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109 CDUS45 KRIW 050731 CLIGEY CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 131 AM MDT SUN OCT 05 2025 ................................... ...THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 4 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 59 1:16 AM 86 2010 66 -7 86 2024 MINIMUM 43 11:59 PM 23 1999 38 5 35 AVERAGE 51 52 -1 61 PRECIPITATION (IN) YESTERDAY 0.68R 0.51 2005 0.03 0.65 0.00 MONTH TO DATE 0.70 0.12 0.58 0.00 SINCE SEP 1 1.35 0.95 0.40 0.38 SINCE JAN 1 5.55 4.77 0.78 5.69 DEGREE DAYS HEATING YESTERDAY 14 13 1 4 MONTH TO DATE 18 49 -31 34 SINCE SEP 1 79 218 -139 104 SINCE JUL 1 79 237 -158 117 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 50 46 4 89 SINCE JAN 1 791 742 49 830 ................................................................... WIND (MPH) HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 14.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 8:00 PM LOWEST 72 1:00 AM AVERAGE 83 .......................................................... THE GREYBULL WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 84 2021 MINIMUM TEMPERATURE (F) 38 27 1999 2013 SUNRISE AND SUNSET OCTOBER 5 2025.......SUNRISE 7:15 AM MDT SUNSET 6:45 PM MDT OCTOBER 6 2025.......SUNRISE 7:17 AM MDT SUNSET 6:43 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$