Climatological Report (Daily)
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CDUS45 KRIW 060729
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SAT SEP 06 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 5 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 74 4:47 PM 99 2020 82 -8 83
2022
MINIMUM 46 11:59 PM 40 2008 49 -3 52
AVERAGE 60 66 -6 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.17 2007 0.02 -0.02 0.00
MONTH TO DATE T 0.10 -0.10 0.03
SINCE SEP 1 T 0.10 -0.10 0.03
SINCE JAN 1 4.20 3.92 0.28 5.34
DEGREE DAYS
HEATING
YESTERDAY 5 3 2 0
MONTH TO DATE 5 11 -6 0
SINCE SEP 1 5 11 -6 0
SINCE JUL 1 5 30 -25 13
COOLING
YESTERDAY 0 3 -3 3
MONTH TO DATE 23 18 5 31
SINCE SEP 1 23 18 5 31
SINCE JAN 1 764 714 50 772
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.6
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 54 7:00 AM
LOWEST 12 5:00 PM
AVERAGE 33
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 94 2022
MINIMUM TEMPERATURE (F) 49 40 2015
SUNRISE AND SUNSET
SEPTEMBER 6 2025.....SUNRISE 6:41 AM MDT SUNSET 7:39 PM MDT
SEPTEMBER 7 2025.....SUNRISE 6:42 AM MDT SUNSET 7:37 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$