Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 170732
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT FRI OCT 17 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 16 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 45 5:08 PM 83 2024 60 -15 83
MINIMUM 41 11:59 PM 22 2020 33 8 35
AVERAGE 43 46 -3 59
PRECIPITATION (IN)
YESTERDAY 0.72R 0.08 2011 0.02 0.70 0.00
MONTH TO DATE 1.86 0.41 1.45 0.00
SINCE SEP 1 2.51 1.24 1.27 0.38
SINCE JAN 1 6.71 5.06 1.65 5.69
DEGREE DAYS
HEATING
YESTERDAY 22 18 4 6
MONTH TO DATE 213 240 -27 108
SINCE SEP 1 274 409 -135 178
SINCE JUL 1 274 428 -154 191
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE SEP 1 50 46 4 91
SINCE JAN 1 791 742 49 832
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 9:00 PM
LOWEST 82 1:00 AM
AVERAGE 90
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 79 2003
MINIMUM TEMPERATURE (F) 33 21 1999
2002
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 7:30 AM MDT SUNSET 6:24 PM MDT
OCTOBER 18 2025.......SUNRISE 7:32 AM MDT SUNSET 6:22 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$