509
CDUS45 KRIW 260726
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT SAT SEP 26 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 25 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 83 3:46 PM 94 2024 72 11 85
MINIMUM 51 6:54 AM 28 2000 42 9 43
AVERAGE 67 57 10 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.13 2017 0.03 -0.03 0.00
MONTH TO DATE 0.15 0.67 -0.52 0.65
SINCE SEP 1 0.15 0.67 -0.52 0.65
SINCE JAN 1 2.49 4.49 -2.00 4.85
DEGREE DAYS
HEATING
YESTERDAY 0 9 -9 1
MONTH TO DATE 49 119 -70 57
SINCE SEP 1 49 119 -70 57
SINCE JUL 1 51 138 -87 57
COOLING
YESTERDAY 2 0 2 0
MONTH TO DATE 57 44 13 46
SINCE SEP 1 57 44 13 46
SINCE JAN 1 855 740 115 787
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 5.2
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 61 7:00 AM
LOWEST 18 3:00 PM
AVERAGE 40
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 97 2015
MINIMUM TEMPERATURE (F) 41 29 2000
SUNRISE AND SUNSET
SEPTEMBER 26 2026.....SUNRISE 7:04 AM MDT SUNSET 7:02 PM MDT
SEPTEMBER 27 2026.....SUNRISE 7:05 AM MDT SUNSET 7:00 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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