561
CDUS45 KRIW 220728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT WED OCT 22 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 21 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 60 2:49 PM 83 2003 57 3 72
MINIMUM 28 6:59 AM 23 1998 31 -3 36
AVERAGE 44 44 0 54
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 2004 0.01 -0.01 0.00
2008
MONTH TO DATE 1.89 0.50 1.39 0.22
SINCE SEP 1 2.54 1.33 1.21 0.60
SINCE JAN 1 6.74 5.15 1.59 5.91
DEGREE DAYS
HEATING
YESTERDAY 21 21 0 11
MONTH TO DATE 307 339 -32 182
SINCE SEP 1 368 508 -140 252
SINCE JUL 1 368 527 -159 265
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 10 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.0
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 89 5:00 AM
LOWEST 25 2:00 PM
AVERAGE 57
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 80 2003
MINIMUM TEMPERATURE (F) 31 19 2020
SUNRISE AND SUNSET
OCTOBER 22 2025.......SUNRISE 7:37 AM MDT SUNSET 6:16 PM MDT
OCTOBER 23 2025.......SUNRISE 7:38 AM MDT SUNSET 6:14 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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