Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 170733
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT THU JUL 17 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR JULY 16 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 73 5:43 PM 105 2005 92 -19 95
MINIMUM 56 6:08 AM 46 1999 59 -3 58
AVERAGE 65 75 -10 77
PRECIPITATION (IN)
YESTERDAY T 0.04 2001 0.01 -0.01 0.00
MONTH TO DATE 0.19 0.11 0.08 0.98
SINCE JUN 1 0.65 1.19 -0.54 1.38
SINCE JAN 1 3.36 3.54 -0.18 4.61
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 4
SINCE JUN 1 46 62 -16 33
SINCE JUL 1 0 0 0 4
COOLING
YESTERDAY 0 10 -10 12
MONTH TO DATE 151 143 8 137
SINCE JUN 1 283 265 18 311
SINCE JAN 1 304 289 15 311
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 42 5:00 PM
AVERAGE 66
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 92 103 2003
2022
MINIMUM TEMPERATURE (F) 59 53 1999
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 5:44 AM MDT SUNSET 8:53 PM MDT
JULY 18 2025..........SUNRISE 5:45 AM MDT SUNSET 8:52 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$