Climatological Report (Daily)
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023
CDUS45 KRIW 010737
CLIGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
137 AM MDT FRI AUG 01 2025

...................................

...THE GREYBULL WY CLIMATE SUMMARY FOR JULY 31 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         87   2:54 PM 101    2000  92     -5       88
                                      2012
  MINIMUM         56   6:15 AM  49    2009  59     -3       59
  AVERAGE         72                        76     -4       74

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2011   0.00   0.00     0.00
                                      2019
                                      2023
  MONTH TO DATE    0.86                      0.16   0.70     1.09
  SINCE JUN 1      1.32                      1.24   0.08     1.49
  SINCE JAN 1      4.03                      3.59   0.44     4.72

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        7                        11     -4        9
  MONTH TO DATE  308                       309     -1      313
  SINCE JUN 1    440                       431      9      487
  SINCE JAN 1    461                       455      6      487
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           3:00 AM
 LOWEST     23           7:00 PM
 AVERAGE    55

..........................................................


THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   92       104      2008
 MINIMUM TEMPERATURE (F)   59        48      2009


SUNRISE AND SUNSET
AUGUST  1 2025........SUNRISE   6:00 AM MDT   SUNSET   8:37 PM MDT
AUGUST  2 2025........SUNRISE   6:01 AM MDT   SUNSET   8:36 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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