Climatological Report (Daily)
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413
CDUS45 KRIW 070734
CLIGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT TUE OCT 07 2025

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

...THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 6 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         52   3:23 PM  84    2020  65    -13       78
  MINIMUM         37  11:54 PM  23    2012  37      0       34
  AVERAGE         45                        51     -6       56

PRECIPITATION (IN)
  YESTERDAY        0.04          0.43 2011   0.03   0.01     0.00
  MONTH TO DATE    1.05                      0.18   0.87     0.00
  SINCE SEP 1      1.70                      1.01   0.69     0.38
  SINCE JAN 1      5.90                      4.83   1.07     5.69

DEGREE DAYS
 HEATING
  YESTERDAY       20                        14      6        9
  MONTH TO DATE   57                        76    -19       50
  SINCE SEP 1    118                       245   -127      120
  SINCE JUL 1    118                       264   -146      133

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     50                        46      4       89
  SINCE JAN 1    791                       742     49      830
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     3.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           2:00 AM
 LOWEST     58           3:00 PM
 AVERAGE    78

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


THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        82      2020
 MINIMUM TEMPERATURE (F)   37        19      2000


SUNRISE AND SUNSET
OCTOBER  7 2025.......SUNRISE   7:18 AM MDT   SUNSET   6:41 PM MDT
OCTOBER  8 2025.......SUNRISE   7:19 AM MDT   SUNSET   6:39 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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