503
CDUS45 KRIW 150727
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT WED APR 15 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR APRIL 14 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 5:02 PM 85 2002 59 4 59
MINIMUM 30 4:47 AM 15 2014 33 -3 23
AVERAGE 47 46 1 41
PRECIPITATION (IN)
YESTERDAY 0.00 0.10 2000 0.01 -0.01 0.00
MONTH TO DATE 0.60 0.18 0.42 T
SINCE MAR 1 0.85 0.40 0.45 0.47
SINCE JAN 1 0.89 0.67 0.22 0.68
DEGREE DAYS
HEATING
YESTERDAY 18 19 -1 24
MONTH TO DATE 231 285 -54 269
SINCE MAR 1 814 1125 -311 1001
SINCE JUL 1 5202 6949 -1747 6486
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 5.1
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 72 5:00 AM
LOWEST 17 4:00 PM
AVERAGE 45
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 76 2006
MINIMUM TEMPERATURE (F) 33 17 2022
SUNRISE AND SUNSET
APRIL 15 2026.........SUNRISE 6:28 AM MDT SUNSET 7:57 PM MDT
APRIL 16 2026.........SUNRISE 6:26 AM MDT SUNSET 7:58 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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