435
CDUS45 KRIW 170730
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT FRI APR 17 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR APRIL 16 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 52 11:16 AM 80 2018 60 -8 76
MINIMUM 36 11:59 PM 16 2022 33 3 33
AVERAGE 44 47 -3 55
PRECIPITATION (IN)
YESTERDAY T 0.07 2002 0.02 -0.02 0.00
MONTH TO DATE 0.60 0.22 0.38 T
SINCE MAR 1 0.85 0.44 0.41 0.47
SINCE JAN 1 0.89 0.71 0.18 0.68
DEGREE DAYS
HEATING
YESTERDAY 21 18 3 10
MONTH TO DATE 265 322 -57 294
SINCE MAR 1 848 1162 -314 1026
SINCE JUL 1 5236 6986 -1750 6511
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 29 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 16.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 7:00 AM
LOWEST 42 11:00 AM
AVERAGE 58
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 81 2005
MINIMUM TEMPERATURE (F) 34 19 2020
SUNRISE AND SUNSET
APRIL 17 2026.........SUNRISE 6:25 AM MDT SUNSET 8:00 PM MDT
APRIL 18 2026.........SUNRISE 6:23 AM MDT SUNSET 8:01 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page