699
CDUS45 KRIW 010735
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT WED OCT 01 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 30 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 83 3:41 PM 86 2015 69 14 69
MINIMUM 47 5:58 AM 29 2021 40 7 39
AVERAGE 65 54 11 54
PRECIPITATION (IN)
YESTERDAY 0.00 0.30 2022 0.03 -0.03 0.00
MONTH TO DATE 0.65 0.83 -0.18 0.38
SINCE SEP 1 0.65 0.83 -0.18 0.38
SINCE JAN 1 4.85 4.65 0.20 5.69
DEGREE DAYS
HEATING
YESTERDAY 0 11 -11 11
MONTH TO DATE 61 170 -109 70
SINCE SEP 1 61 170 -109 70
SINCE JUL 1 61 189 -128 83
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 50 46 4 89
SINCE SEP 1 50 46 4 89
SINCE JAN 1 791 742 49 830
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 6:00 AM
LOWEST 23 3:00 PM
AVERAGE 55
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 91 2011
MINIMUM TEMPERATURE (F) 39 30 2003
2021
2024
SUNRISE AND SUNSET
OCTOBER 1 2025.......SUNRISE 7:11 AM MDT SUNSET 6:52 PM MDT
OCTOBER 2 2025.......SUNRISE 7:12 AM MDT SUNSET 6:50 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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