Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 200728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SUN APR 20 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR APRIL 19 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 57 4:11 PM 78 2019 61 -4 45
MINIMUM 27R 5:49 AM 27 2002 34 -7 30
2021
AVERAGE 42 47 -5 38
PRECIPITATION (IN)
YESTERDAY 0.00 0.50 2005 0.02 -0.02 0.00
MONTH TO DATE 0.22 0.27 -0.05 0.68
SINCE MAR 1 0.69 0.49 0.20 1.12
SINCE JAN 1 0.90 0.76 0.14 1.17
DEGREE DAYS
HEATING
YESTERDAY 23 18 5 27
MONTH TO DATE 374 376 -2 325
SINCE MAR 1 1106 1216 -110 1143
SINCE JUL 1 6591 7040 -449 6399
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 14 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 7.3
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 85 12:00 AM
LOWEST 23 4:00 PM
AVERAGE 54
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 76 2009
2019
MINIMUM TEMPERATURE (F) 34 13 2008
SUNRISE AND SUNSET
APRIL 20 2025.........SUNRISE 6:19 AM MDT SUNSET 8:04 PM MDT
APRIL 21 2025.........SUNRISE 6:18 AM MDT SUNSET 8:05 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$