914
CDUS45 KRIW 190731
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT TUE AUG 19 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 18 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 95 2:31 PM 100 2001 89 6 97
2023
MINIMUM 57 3:19 AM 44 2009 56 1 62
AVERAGE 76 72 4 80
PRECIPITATION (IN)
YESTERDAY 0.00 0.39 2018 0.01 -0.01 0.00
MONTH TO DATE 0.12 0.10 0.02 0.07
SINCE JUN 1 1.44 1.34 0.10 1.56
SINCE JAN 1 4.15 3.69 0.46 4.79
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 46 66 -20 33
SINCE JUL 1 0 4 -4 4
COOLING
YESTERDAY 11 7 4 15
MONTH TO DATE 172 167 5 157
SINCE JUN 1 612 598 14 644
SINCE JAN 1 633 622 11 644
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.2
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 70 5:00 AM
LOWEST 13 3:00 PM
AVERAGE 42
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1999
2019
MINIMUM TEMPERATURE (F) 55 41 2015
SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE 6:20 AM MDT SUNSET 8:11 PM MDT
AUGUST 20 2025........SUNRISE 6:21 AM MDT SUNSET 8:09 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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