318
CDUS45 KRIW 160727
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SAT AUG 16 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 15 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 97 3:44 PM 101 2015 89 8 86
MINIMUM 58 5:55 AM 46 2005 57 1 50
AVERAGE 78 73 5 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.06 2019 0.01 -0.01 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 3
MONTH TO DATE 140 144 -4 122
SINCE JUN 1 580 575 5 609
SINCE JAN 1 601 599 2 609
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 6:00 AM
LOWEST 12 4:00 PM
AVERAGE 42
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 100 2013
MINIMUM TEMPERATURE (F) 56 43 2009
SUNRISE AND SUNSET
AUGUST 16 2025........SUNRISE 6:17 AM MDT SUNSET 8:15 PM MDT
AUGUST 17 2025........SUNRISE 6:18 AM MDT SUNSET 8:14 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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