523
CDUS45 KRIW 230726
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT SUN AUG 23 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 22 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 87 4:58 PM 98 2011 87 0 85
2020
2023
MINIMUM 62 5:58 AM 46 2015 54 8 63
AVERAGE 75 71 4 74
PRECIPITATION (IN)
YESTERDAY T 0.24 2007 0.01 -0.01 0.00
2007
2014
MONTH TO DATE 0.17 0.13 0.04 0.12
SINCE JUN 1 0.91 1.37 -0.46 1.44
SINCE JAN 1 2.33 3.72 -1.39 4.15
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 1 0 0
SINCE JUN 1 45 67 -22 46
SINCE JUL 1 1 5 -4 0
COOLING
YESTERDAY 10 6 4 9
MONTH TO DATE 190 194 -4 224
SINCE JUN 1 690 625 65 664
SINCE JAN 1 736 649 87 685
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 60 6:00 AM
LOWEST 29 1:00 PM
AVERAGE 45
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 98 2006
MINIMUM TEMPERATURE (F) 54 38 2015
SUNRISE AND SUNSET
AUGUST 23 2026........SUNRISE 6:25 AM MDT SUNSET 8:04 PM MDT
AUGUST 24 2026........SUNRISE 6:26 AM MDT SUNSET 8:03 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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