Climatological Report (Daily)
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429
CDUS45 KRIW 220728
CLIGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SUN JUN 22 2025

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

...THE GREYBULL WY CLIMATE SUMMARY FOR JUNE 21 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         84   3:05 PM 104    2016  84      0       84
  MINIMUM         53  11:59 PM  42    2000  54     -1       58
  AVERAGE         69                        69      0       71

PRECIPITATION (IN)
  YESTERDAY        0.03          0.27 2009   0.03   0.00      T
  MONTH TO DATE    0.27                      0.90  -0.63     0.40
  SINCE JUN 1      0.27                      0.90  -0.63     0.40
  SINCE JAN 1      2.98                      3.25  -0.27     3.63

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   27                        55    -28       29
  SINCE JUN 1     27                        55    -28       29
  SINCE JUL 1   6996                      7540   -544     6914

 COOLING
  YESTERDAY        4                         5     -1        6
  MONTH TO DATE   89                        68     21       84
  SINCE JUN 1     89                        68     21       84
  SINCE JAN 1    110                        92     18       84
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    36   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    47   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED    17.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           4:00 AM
 LOWEST     17           3:00 PM
 AVERAGE    46

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


THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        98      2001
 MINIMUM TEMPERATURE (F)   54        39      2019


SUNRISE AND SUNSET
JUNE 22 2025..........SUNRISE   5:28 AM MDT   SUNSET   9:01 PM MDT
JUNE 23 2025..........SUNRISE   5:28 AM MDT   SUNSET   9:01 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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