852
CDUS45 KRIW 160727
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SUN AUG 16 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 15 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 81 3:59 PM 101 2015 89 -8 97
MINIMUM 55 3:50 AM 46 2005 57 -2 58
AVERAGE 68 73 -5 78
PRECIPITATION (IN)
YESTERDAY 0.00 0.06 2019 0.01 -0.01 0.00
MONTH TO DATE 0.08 0.08 0.00 0.12
SINCE JUN 1 0.82 1.32 -0.50 1.44
SINCE JAN 1 2.24 3.67 -1.43 4.15
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 45 66 -21 46
SINCE JUL 1 1 4 -3 0
COOLING
YESTERDAY 3 8 -5 13
MONTH TO DATE 130 144 -14 140
SINCE JUN 1 630 575 55 580
SINCE JAN 1 676 599 77 601
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 6:00 AM
LOWEST 33 3:00 PM
AVERAGE 60
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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 2026........SUNRISE 6:16 AM MDT SUNSET 8:16 PM MDT
AUGUST 17 2026........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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