822
CDUS45 KRIW 160821
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
221 AM MDT THU APR 16 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR APRIL 15 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 69 4:55 PM 76 2006 60 9 74
MINIMUM 35 6:28 AM 17 2022 33 2 26
AVERAGE 52 46 6 50
PRECIPITATION (IN)
YESTERDAY 0.00 0.05 2003 0.02 -0.02 0.00
2009
MONTH TO DATE 0.60 0.20 0.40 T
SINCE MAR 1 0.85 0.42 0.43 0.47
SINCE JAN 1 0.89 0.69 0.20 0.68
DEGREE DAYS
HEATING
YESTERDAY 13 19 -6 15
MONTH TO DATE 244 304 -60 284
SINCE MAR 1 827 1144 -317 1016
SINCE JUL 1 5215 6968 -1753 6501
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 7.4
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 61 7:00 AM
LOWEST 19 5:00 PM
AVERAGE 40
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 80 2018
MINIMUM TEMPERATURE (F) 33 16 2022
SUNRISE AND SUNSET
APRIL 16 2026.........SUNRISE 6:26 AM MDT SUNSET 7:58 PM MDT
APRIL 17 2026.........SUNRISE 6:25 AM MDT SUNSET 8:00 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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