895
CDUS45 KRIW 240728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT THU SEP 24 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 23 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 79 4:18 PM 89 2015 73 6 71
MINIMUM 50 6:15 AM 29 2000 42 8 44
AVERAGE 65 58 7 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.87 2016 0.03 -0.03 T
MONTH TO DATE 0.15 0.60 -0.45 0.65
SINCE SEP 1 0.15 0.60 -0.45 0.65
SINCE JAN 1 2.49 4.42 -1.93 4.85
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 7
MONTH TO DATE 47 102 -55 54
SINCE SEP 1 47 102 -55 54
SINCE JUL 1 49 121 -72 54
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 55 44 11 46
SINCE SEP 1 55 44 11 46
SINCE JAN 1 853 740 113 787
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 5:00 AM
LOWEST 26 4:00 PM
AVERAGE 53
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 2020
MINIMUM TEMPERATURE (F) 42 28 2000
SUNRISE AND SUNSET
SEPTEMBER 24 2026.....SUNRISE 7:02 AM MDT SUNSET 7:06 PM MDT
SEPTEMBER 25 2026.....SUNRISE 7:03 AM MDT SUNSET 7:04 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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