Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 110728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT OCT 11 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 10 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 75 4:51 PM 86 2015 63 12 76
MINIMUM 39 6:41 AM 18 2009 36 3 41
AVERAGE 57 49 8 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.11 2003 0.02 -0.02 0.00
MONTH TO DATE 1.05 0.28 0.77 0.00
SINCE SEP 1 1.70 1.11 0.59 0.38
SINCE JAN 1 5.90 4.93 0.97 5.69
DEGREE DAYS
HEATING
YESTERDAY 8 16 -8 6
MONTH TO DATE 104 136 -32 72
SINCE SEP 1 165 305 -140 142
SINCE JUL 1 165 324 -159 155
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 50 46 4 89
SINCE JAN 1 791 742 49 830
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.1
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 97 7:00 AM
LOWEST 39 3:00 PM
AVERAGE 68
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 82 2024
MINIMUM TEMPERATURE (F) 35 16 2019
SUNRISE AND SUNSET
OCTOBER 11 2025.......SUNRISE 7:23 AM MDT SUNSET 6:34 PM MDT
OCTOBER 12 2025.......SUNRISE 7:24 AM MDT SUNSET 6:32 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$