297
CDUS45 KRIW 080727
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT FRI MAY 08 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 7 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 65 2:40 PM 88 2021 67 -2 71
MINIMUM 44 7:42 AM 27 2010 40 4 35
AVERAGE 55 54 1 53
PRECIPITATION (IN)
YESTERDAY 0.11 1.00 2005 0.03 0.08 0.00
MONTH TO DATE 0.11 0.20 -0.09 0.12
SINCE MAR 1 1.01 0.95 0.06 1.04
SINCE JAN 1 1.05 1.22 -0.17 1.25
DEGREE DAYS
HEATING
YESTERDAY 10 12 -2 12
MONTH TO DATE 96 90 6 82
SINCE MAR 1 1215 1480 -265 1362
SINCE JUL 1 5603 7304 -1701 6847
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 1 -1 0
SINCE JAN 1 0 1 -1 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 11:00 PM
LOWEST 29 12:00 AM
AVERAGE 60
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 86 2004
MINIMUM TEMPERATURE (F) 41 26 2010
SUNRISE AND SUNSET
MAY 8 2026...........SUNRISE 5:53 AM MDT SUNSET 8:25 PM MDT
MAY 9 2026...........SUNRISE 5:52 AM MDT SUNSET 8:27 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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