434
CDUS45 KRIW 230727
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SAT MAY 23 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 22 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 66 5:19 PM 89 2006 73 -7 75
2023
MINIMUM 32 5:17 AM 31 2022 46 -14 40
AVERAGE 49 59 -10 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.74 2007 0.05 -0.05 0.03
MONTH TO DATE 0.34 0.87 -0.53 1.57
SINCE MAR 1 1.24 1.62 -0.38 2.49
SINCE JAN 1 1.28 1.89 -0.61 2.70
DEGREE DAYS
HEATING
YESTERDAY 16 7 9 7
MONTH TO DATE 237 224 13 187
SINCE MAR 1 1356 1614 -258 1467
SINCE JUL 1 5744 7438 -1694 6952
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 10 8 2 9
SINCE MAR 1 10 9 1 9
SINCE JAN 1 10 9 1 9
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 21 6:00 PM
AVERAGE 61
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 86 2014
2023
MINIMUM TEMPERATURE (F) 46 33 2002
SUNRISE AND SUNSET
MAY 23 2026...........SUNRISE 5:37 AM MDT SUNSET 8:42 PM MDT
MAY 24 2026...........SUNRISE 5:36 AM MDT SUNSET 8:43 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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