Climatological Report (Daily)
Issued by NWS

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990
CDUS45 KRIW 170727
CLIP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1227 AM MST MON NOV 17 2025

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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 16 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         46   2:30 PM  48    1999  32     14       29
  MINIMUM         28  11:59 PM -17    2014  11     17       19
  AVERAGE         37                        21     16       24

PRECIPITATION (IN)
  YESTERDAY        0.01          0.98 2017   0.07  -0.06     0.02
  MONTH TO DATE    0.63                      1.11  -0.48     0.48
  SINCE SEP 1      5.57                      4.53   1.04     2.51
  SINCE JAN 1     17.28                     19.79  -2.51    17.70

DEGREE DAYS
 HEATING
  YESTERDAY       28                        44    -16       41
  MONTH TO DATE  492                       651   -159      659
  SINCE SEP 1   1885                      2211   -326     1880
  SINCE JUL 1   2401                      2853   -452     2457

 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     7   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     0.6


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           4:00 AM
 LOWEST     62           1:00 PM
 AVERAGE    79

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        51      1999
 MINIMUM TEMPERATURE (F)   10       -13      2014


SUNRISE AND SUNSET
NOVEMBER 17 2025......SUNRISE   7:21 AM MST   SUNSET   4:52 PM MST
NOVEMBER 18 2025......SUNRISE   7:23 AM MST   SUNSET   4:51 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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