Climatological Report (Daily)
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664
CDUS45 KRIW 220728
CLIP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST SAT NOV 22 2025

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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 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         43R  1:57 PM  43    2006  30     13       35
  MINIMUM         20   3:40 AM -13    2015   9     11       11
  AVERAGE         32                        19     13       23

PRECIPITATION (IN)
  YESTERDAY        0.00          0.35 2003   0.07  -0.07     0.01
  MONTH TO DATE    0.70                      1.45  -0.75     0.75
  SINCE SEP 1      5.64                      4.87   0.77     2.78
  SINCE JAN 1     17.35                     20.13  -2.78    17.97

DEGREE DAYS
 HEATING
  YESTERDAY       33                        46    -13       42
  MONTH TO DATE  653                       876   -223      906
  SINCE SEP 1   2046                      2436   -390     2127
  SINCE JUL 1   2562                      3078   -516     2704

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JAN 1      1                         0      1        0
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     1.8


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     46           3:00 PM
 AVERAGE    71

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        45      2024
 MINIMUM TEMPERATURE (F)    9       -15      2003


SUNRISE AND SUNSET
NOVEMBER 22 2025......SUNRISE   7:28 AM MST   SUNSET   4:48 PM MST
NOVEMBER 23 2025......SUNRISE   7:29 AM MST   SUNSET   4:47 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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