685
CDUS45 KRIW 310730
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN MAY 31 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 30 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 79 5:30 PM 91 2002 75 4 83
2020
MINIMUM 58 9:56 AM 37 2006 49 9 52
AVERAGE 69 62 7 68
PRECIPITATION (IN)
YESTERDAY 0.09 0.66 2011 0.06 0.03 0.00
MONTH TO DATE 0.43 1.28 -0.85 1.58
SINCE MAR 1 1.33 2.03 -0.70 2.50
SINCE JAN 1 1.37 2.30 -0.93 2.71
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 245 268 -23 204
SINCE MAR 1 1364 1658 -294 1484
SINCE JUL 1 5752 7482 -1730 6969
COOLING
YESTERDAY 4 2 2 3
MONTH TO DATE 46 18 28 19
SINCE MAR 1 46 19 27 19
SINCE JAN 1 46 19 27 19
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 10:00 AM
LOWEST 25 6:00 PM
AVERAGE 58
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 94 2020
MINIMUM TEMPERATURE (F) 49 37 2004
SUNRISE AND SUNSET
MAY 31 2026...........SUNRISE 5:31 AM MDT SUNSET 8:49 PM MDT
JUNE 1 2026..........SUNRISE 5:31 AM MDT SUNSET 8:50 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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