852
CDUS45 KRIW 200729
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON OCT 20 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 19 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 72 3:16 PM 80 2003 58 14 62
MINIMUM 31 4:32 AM 22 1999 32 -1 32
2002
AVERAGE 52 45 7 47
PRECIPITATION (IN)
YESTERDAY 0.01R T 2006 0.02 -0.01 0.00
2006
2016
MONTH TO DATE 1.89 0.47 1.42 0.22
SINCE SEP 1 2.54 1.30 1.24 0.60
SINCE JAN 1 6.74 5.12 1.62 5.91
DEGREE DAYS
HEATING
YESTERDAY 13 20 -7 18
MONTH TO DATE 266 298 -32 158
SINCE SEP 1 327 467 -140 228
SINCE JUL 1 327 486 -159 241
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE SEP 1 50 46 4 91
SINCE JAN 1 791 742 49 832
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 8:00 AM
LOWEST 25 3:00 PM
AVERAGE 57
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 77 2014
2017
2023
MINIMUM TEMPERATURE (F) 32 21 1999
SUNRISE AND SUNSET
OCTOBER 20 2025.......SUNRISE 7:34 AM MDT SUNSET 6:19 PM MDT
OCTOBER 21 2025.......SUNRISE 7:36 AM MDT SUNSET 6:17 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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