595
CDUS45 KRIW 270734
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT THU AUG 27 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 26 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 91 1:43 PM 100 2007 86 5 89
MINIMUM 51 5:53 AM 41 2004 53 -2 54
2005
AVERAGE 71 69 2 72
PRECIPITATION (IN)
YESTERDAY 0.00 0.44 2024 0.01 -0.01 0.00
MONTH TO DATE 0.17 0.17 0.00 0.12
SINCE JUN 1 0.91 1.41 -0.50 1.44
SINCE JAN 1 2.33 3.76 -1.43 4.15
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 5 -4 0
SINCE JUN 1 45 71 -26 46
SINCE JUL 1 1 9 -8 0
COOLING
YESTERDAY 6 5 1 7
MONTH TO DATE 227 217 10 248
SINCE JUN 1 727 648 79 688
SINCE JAN 1 773 672 101 709
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.9
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 79 6:00 AM
LOWEST 16 2:00 PM
AVERAGE 48
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 99 2011
MINIMUM TEMPERATURE (F) 53 42 2005
SUNRISE AND SUNSET
AUGUST 27 2026........SUNRISE 6:29 AM MDT SUNSET 7:57 PM MDT
AUGUST 28 2026........SUNRISE 6:30 AM MDT SUNSET 7:56 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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