Climatological Report (Daily)
Issued by NWS
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.
$$