620
CDUS45 KRIW 070726
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT SUN SEP 07 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 6 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 84 4:12 PM 94 2022 82 2 89
MINIMUM 39R 6:03 AM 40 2015 49 -10 48
AVERAGE 62 65 -3 69
PRECIPITATION (IN)
YESTERDAY 0.00 0.50 2001 0.02 -0.02 0.00
MONTH TO DATE T 0.12 -0.12 0.03
SINCE SEP 1 T 0.12 -0.12 0.03
SINCE JAN 1 4.20 3.94 0.26 5.34
DEGREE DAYS
HEATING
YESTERDAY 3 3 0 0
MONTH TO DATE 8 14 -6 0
SINCE SEP 1 8 14 -6 0
SINCE JUL 1 8 33 -25 13
COOLING
YESTERDAY 0 3 -3 4
MONTH TO DATE 23 21 2 35
SINCE SEP 1 23 21 2 35
SINCE JAN 1 764 717 47 776
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 2.5
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 70 5:00 AM
LOWEST 7 5:00 PM
AVERAGE 39
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 103 2022
MINIMUM TEMPERATURE (F) 48 34 2010
SUNRISE AND SUNSET
SEPTEMBER 7 2025.....SUNRISE 6:42 AM MDT SUNSET 7:37 PM MDT
SEPTEMBER 8 2025.....SUNRISE 6:43 AM MDT SUNSET 7:35 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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