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CDUS45 KRIW 250727
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU SEP 25 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 24 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 80 3:20 PM 92 2020 72 8 81
MINIMUM 46 5:55 AM 28 2000 42 4 43
AVERAGE 63 57 6 62
PRECIPITATION (IN)
YESTERDAY 0.00 1.05 2016 0.04 -0.04 0.00
MONTH TO DATE 0.65 0.64 0.01 0.38
SINCE SEP 1 0.65 0.64 0.01 0.38
SINCE JAN 1 4.85 4.46 0.39 5.69
DEGREE DAYS
HEATING
YESTERDAY 2 8 -6 3
MONTH TO DATE 56 110 -54 59
SINCE SEP 1 56 110 -54 59
SINCE JUL 1 56 129 -73 72
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 46 44 2 69
SINCE SEP 1 46 44 2 69
SINCE JAN 1 787 740 47 810
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 3.6
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 93 7:00 AM
LOWEST 22 4:00 PM
AVERAGE 58
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 94 2024
MINIMUM TEMPERATURE (F) 42 28 2000
SUNRISE AND SUNSET
SEPTEMBER 25 2025.....SUNRISE 7:03 AM MDT SUNSET 7:03 PM MDT
SEPTEMBER 26 2025.....SUNRISE 7:05 AM MDT SUNSET 7:01 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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