048
CDUS45 KRIW 190733
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT SUN APR 19 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR APRIL 18 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 57 5:05 PM 80 2001 60 -3 46
MINIMUM 25 6:01 AM 14 2013 34 -9 30
AVERAGE 41 47 -6 38
PRECIPITATION (IN)
YESTERDAY 0.00 0.38 2000 0.01 -0.01 0.00
MONTH TO DATE 0.60 0.25 0.35 0.22
SINCE MAR 1 0.85 0.47 0.38 0.69
SINCE JAN 1 0.89 0.74 0.15 0.90
DEGREE DAYS
HEATING
YESTERDAY 24 18 6 27
MONTH TO DATE 317 358 -41 351
SINCE MAR 1 900 1198 -298 1083
SINCE JUL 1 5288 7022 -1734 6568
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 10 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 2:00 AM
LOWEST 20 5:00 PM
AVERAGE 51
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 78 2019
MINIMUM TEMPERATURE (F) 34 27 2002
2021
2025
SUNRISE AND SUNSET
APRIL 19 2026.........SUNRISE 6:21 AM MDT SUNSET 8:02 PM MDT
APRIL 20 2026.........SUNRISE 6:20 AM MDT SUNSET 8:03 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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