


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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303 CDUS45 KRIW 030727 CLIGEY CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT FRI OCT 03 2025 ................................... ...THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 2 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 3:30 PM 87 2018 68 16 84 MINIMUM 43 6:40 AM 29 2009 39 4 34 AVERAGE 64 53 11 59 PRECIPITATION (IN) YESTERDAY 0.00 0.14 2013 0.03 -0.03 0.00 MONTH TO DATE 0.00 0.06 -0.06 0.00 SINCE SEP 1 0.65 0.89 -0.24 0.38 SINCE JAN 1 4.85 4.71 0.14 5.69 DEGREE DAYS HEATING YESTERDAY 1 12 -11 6 MONTH TO DATE 2 24 -22 19 SINCE SEP 1 63 193 -130 89 SINCE JUL 1 63 212 -149 102 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 15 HIGHEST WIND DIRECTION SE (130) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (140) AVERAGE WIND SPEED 5.3 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 73 4:00 AM LOWEST 15 4:00 PM AVERAGE 44 .......................................................... THE GREYBULL WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 85 2010 MINIMUM TEMPERATURE (F) 39 26 1999 SUNRISE AND SUNSET OCTOBER 3 2025.......SUNRISE 7:13 AM MDT SUNSET 6:49 PM MDT OCTOBER 4 2025.......SUNRISE 7:14 AM MDT SUNSET 6:47 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$