649
CDUS45 KRIW 120731
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT SUN APR 12 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR APRIL 11 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 3:39 PM 83 2012 59 18 82
MINIMUM 39 6:00 AM 23 1999 32 7 37
AVERAGE 58 45 13 60
PRECIPITATION (IN)
YESTERDAY T R T 2009 0.02 -0.02 0.00
2017
2021
MONTH TO DATE 0.60 0.14 0.46 T
SINCE MAR 1 0.85 0.36 0.49 0.47
SINCE JAN 1 0.89 0.63 0.26 0.68
DEGREE DAYS
HEATING
YESTERDAY 7 20 -13 5
MONTH TO DATE 187 228 -41 214
SINCE MAR 1 770 1068 -298 946
SINCE JUL 1 5158 6892 -1734 6431
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 54 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 6:00 AM
LOWEST 16 4:00 PM
AVERAGE 51
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 79 2003
MINIMUM TEMPERATURE (F) 32 13 2022
SUNRISE AND SUNSET
APRIL 12 2026.........SUNRISE 6:33 AM MDT SUNSET 7:54 PM MDT
APRIL 13 2026.........SUNRISE 6:32 AM MDT SUNSET 7:55 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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