427
CDUS45 KRIW 180728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT OCT 18 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 17 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 58 4:08 PM 79 2003 59 -1 68
MINIMUM 35 6:49 AM 21 1999 33 2 42
2002
AVERAGE 47 46 1 55
PRECIPITATION (IN)
YESTERDAY T 0.36 2007 0.02 -0.02 0.14
MONTH TO DATE 1.86 0.43 1.43 0.14
SINCE SEP 1 2.51 1.26 1.25 0.52
SINCE JAN 1 6.71 5.08 1.63 5.83
DEGREE DAYS
HEATING
YESTERDAY 18 19 -1 10
MONTH TO DATE 231 259 -28 118
SINCE SEP 1 292 428 -136 188
SINCE JUL 1 292 447 -155 201
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
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.4
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 100 7:00 AM
LOWEST 46 3:00 PM
AVERAGE 73
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 79 2015
MINIMUM TEMPERATURE (F) 32 22 2006
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 7:32 AM MDT SUNSET 6:22 PM MDT
OCTOBER 19 2025.......SUNRISE 7:33 AM MDT SUNSET 6:21 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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