788
CDUS45 KRIW 170730
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN AUG 17 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 16 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 93 4:04 PM 100 2013 89 4 90
MINIMUM 62 3:49 AM 43 2009 56 6 59
AVERAGE 78 73 5 75
PRECIPITATION (IN)
YESTERDAY T 0.11 2005 0.00 0.00 T
MONTH TO DATE 0.12 0.08 0.04 0.07
SINCE JUN 1 1.44 1.32 0.12 1.56
SINCE JAN 1 4.15 3.67 0.48 4.79
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 46 66 -20 33
SINCE JUL 1 0 4 -4 4
COOLING
YESTERDAY 13 8 5 10
MONTH TO DATE 153 152 1 132
SINCE JUN 1 593 583 10 619
SINCE JAN 1 614 607 7 619
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WIND (MPH)
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 52 4:00 AM
LOWEST 16 4:00 PM
AVERAGE 34
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 102 2020
MINIMUM TEMPERATURE (F) 56 41 2002
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 6:18 AM MDT SUNSET 8:14 PM MDT
AUGUST 18 2025........SUNRISE 6:19 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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