835
CDUS45 KRIW 260729
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SUN APR 26 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR APRIL 25 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 50 4:51 PM 79 2012 63 -13 58
MINIMUM 29 5:16 AM 24 2008 36 -7 41
2009
AVERAGE 40 49 -9 50
PRECIPITATION (IN)
YESTERDAY 0.00 0.04 2008 0.02 -0.02 0.00
MONTH TO DATE 0.63 0.40 0.23 0.25
SINCE MAR 1 0.88 0.62 0.26 0.72
SINCE JAN 1 0.92 0.89 0.03 0.93
DEGREE DAYS
HEATING
YESTERDAY 25 16 9 15
MONTH TO DATE 420 475 -55 483
SINCE MAR 1 1003 1315 -312 1215
SINCE JUL 1 5391 7139 -1748 6700
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 12 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 6:00 AM
LOWEST 25 5:00 PM
AVERAGE 46
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 84 2012
MINIMUM TEMPERATURE (F) 36 28 2002
2010
SUNRISE AND SUNSET
APRIL 26 2026.........SUNRISE 6:10 AM MDT SUNSET 8:11 PM MDT
APRIL 27 2026.........SUNRISE 6:09 AM MDT SUNSET 8:12 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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