Climatological Report (Daily)
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952
CDUS45 KRIW 210733
CLIGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1233 AM MST FRI NOV 21 2025

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

...THE GREYBULL WY CLIMATE SUMMARY FOR NOVEMBER 20 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         51   3:07 PM  61    2012  41     10       38
  MINIMUM         25   7:31 AM -10    2000  17      8       10
  AVERAGE         38                        29      9       24

PRECIPITATION (IN)
  YESTERDAY        0.00          0.01 1999   0.00   0.00     0.00
                                      2010
  MONTH TO DATE    0.04                      0.13  -0.09     0.21
  SINCE SEP 1      2.58                      1.56   1.02     0.97
  SINCE JAN 1      6.78                      5.38   1.40     6.28

DEGREE DAYS
 HEATING
  YESTERDAY       27                        36     -9       41
  MONTH TO DATE  426                       623   -197      584
  SINCE SEP 1   1019                      1367   -348     1029
  SINCE JUL 1   1019                      1386   -367     1042

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     50                        48      2       91
  SINCE JAN 1    791                       744     47      832
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     1.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           5:00 AM
 LOWEST     52           3:00 PM
 AVERAGE    74

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


THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        64      2012
 MINIMUM TEMPERATURE (F)   16        -5      2000


SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE   7:17 AM MST   SUNSET   4:39 PM MST
NOVEMBER 22 2025......SUNRISE   7:18 AM MST   SUNSET   4:38 PM MST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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