796
CDUS45 KRIW 160729
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT THU OCT 16 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 15 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 51 3:41 PM 80 2014 60 -9 80
2024
MINIMUM 39 1:13 AM 17 2018 34 5 35
AVERAGE 45 47 -2 58
PRECIPITATION (IN)
YESTERDAY T 0.12 2004 0.02 -0.02 0.00
MONTH TO DATE 1.14 0.39 0.75 0.00
SINCE SEP 1 1.79 1.22 0.57 0.38
SINCE JAN 1 5.99 5.04 0.95 5.69
DEGREE DAYS
HEATING
YESTERDAY 20 18 2 7
MONTH TO DATE 191 222 -31 102
SINCE SEP 1 252 391 -139 172
SINCE JUL 1 252 410 -158 185
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 20 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 2:00 AM
LOWEST 63 4:00 PM
AVERAGE 76
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 83 2024
MINIMUM TEMPERATURE (F) 33 22 2020
SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE 7:29 AM MDT SUNSET 6:26 PM MDT
OCTOBER 17 2025.......SUNRISE 7:30 AM MDT SUNSET 6:24 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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