Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 180727
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1227 AM MST TUE NOV 18 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 17 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 37 2:59 PM 51 1999 31 6 25
MINIMUM 28 2:04 AM -13 2014 10 18 18
AVERAGE 33 21 12 22
PRECIPITATION (IN)
YESTERDAY 0.00 0.44 2011 0.06 -0.06 0.05
MONTH TO DATE 0.63 1.17 -0.54 0.53
SINCE SEP 1 5.57 4.59 0.98 2.56
SINCE JAN 1 17.28 19.85 -2.57 17.75
DEGREE DAYS
HEATING
YESTERDAY 32 44 -12 43
MONTH TO DATE 524 695 -171 702
SINCE SEP 1 1917 2255 -338 1923
SINCE JUL 1 2433 2897 -464 2500
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 (290)
HIGHEST GUST SPEED 11 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 6:00 AM
LOWEST 78 3:00 PM
AVERAGE 87
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 31 51 2008
MINIMUM TEMPERATURE (F) 10 -21 2022
SUNRISE AND SUNSET
NOVEMBER 18 2025......SUNRISE 7:23 AM MST SUNSET 4:51 PM MST
NOVEMBER 19 2025......SUNRISE 7:24 AM MST SUNSET 4:50 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$