Climatological Report (Daily)
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032
CDUS45 KRIW 090731
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT THU OCT 09 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 8 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 72 4:28 PM 84 2020 64 8 81
MINIMUM 33 6:49 AM 20 2000 37 -4 36
AVERAGE 53 50 3 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.08 2010 0.03 -0.03 0.00
MONTH TO DATE 1.05 0.23 0.82 0.00
SINCE SEP 1 1.70 1.06 0.64 0.38
SINCE JAN 1 5.90 4.88 1.02 5.69
DEGREE DAYS
HEATING
YESTERDAY 12 15 -3 6
MONTH TO DATE 86 105 -19 62
SINCE SEP 1 147 274 -127 132
SINCE JUL 1 147 293 -146 145
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 17 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 7:00 AM
LOWEST 22 4:00 PM
AVERAGE 61
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 86 2003
MINIMUM TEMPERATURE (F) 36 20 2009
SUNRISE AND SUNSET
OCTOBER 9 2025.......SUNRISE 7:20 AM MDT SUNSET 6:38 PM MDT
OCTOBER 10 2025.......SUNRISE 7:22 AM MDT SUNSET 6:36 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$