685
CDUS45 KRIW 080731
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT TUE SEP 08 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 7 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 86 2:34 PM 103 2022 81 5 81
MINIMUM 57 11:31 PM 34 2010 48 9 46
AVERAGE 72 65 7 64
PRECIPITATION (IN)
YESTERDAY T 0.32 2020 0.02 -0.02 T
MONTH TO DATE T 0.14 -0.14 T
SINCE SEP 1 T 0.14 -0.14 T
SINCE JAN 1 2.34 3.96 -1.62 4.20
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 1
MONTH TO DATE 0 17 -17 9
SINCE SEP 1 0 17 -17 9
SINCE JUL 1 2 36 -34 9
COOLING
YESTERDAY 7 3 4 0
MONTH TO DATE 50 24 26 23
SINCE SEP 1 50 24 26 23
SINCE JAN 1 848 720 128 764
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 8.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 5:00 AM
LOWEST 9 5:00 PM
AVERAGE 41
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 93 2005
2024
MINIMUM TEMPERATURE (F) 48 34 2008
SUNRISE AND SUNSET
SEPTEMBER 8 2026.....SUNRISE 6:43 AM MDT SUNSET 7:36 PM MDT
SEPTEMBER 9 2026.....SUNRISE 6:44 AM MDT SUNSET 7:34 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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