Climatological Report (Daily)
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125
CDUS45 KRIW 200728
CLIP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST THU NOV 20 2025

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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 19 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         40   1:47 PM  47    2008  30     10       19
  MINIMUM         25  11:59 PM -12    2022  10     15       -4
  AVERAGE         33                        20     13        8

PRECIPITATION (IN)
  YESTERDAY        0.03          0.37 2020   0.07  -0.04     0.00
  MONTH TO DATE    0.70                      1.31  -0.61     0.74
  SINCE SEP 1      5.64                      4.73   0.91     2.77
  SINCE JAN 1     17.35                     19.99  -2.64    17.96

DEGREE DAYS
 HEATING
  YESTERDAY       32                        45    -13       57
  MONTH TO DATE  586                       785   -199      811
  SINCE SEP 1   1979                      2345   -366     2032
  SINCE JUL 1   2495                      2987   -492     2609

 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     8   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     0.7


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          12:00 AM
 LOWEST     48           4:00 PM
 AVERAGE    72

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        45      2016
 MINIMUM TEMPERATURE (F)    9       -12      2015


SUNRISE AND SUNSET
NOVEMBER 20 2025......SUNRISE   7:25 AM MST   SUNSET   4:49 PM MST
NOVEMBER 21 2025......SUNRISE   7:26 AM MST   SUNSET   4:48 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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