915
CDUS45 KRIW 200745
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1245 AM MST WED DEC 20 2023
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 19 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 39R 2:19 PM 30 2004 23 16 16
MINIMUM 17 11:10 PM -20 2012 2 15 9
AVERAGE 28 12 16 13
PRECIPITATION (IN)
YESTERDAY 0.00 0.64 2010 0.08 -0.08 0.01
MONTH TO DATE 1.03 1.40 -0.37 1.75
SINCE DEC 1 1.03 1.40 -0.37 1.75
SINCE JAN 1 27.13 22.14 4.99 26.53
DEGREE DAYS
HEATING
YESTERDAY 37 53 -16 52
MONTH TO DATE 873 976 -103 995
SINCE DEC 1 873 976 -103 995
SINCE JUL 1 3947 4483 -536 4215
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 0.8
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 92 7:00 AM
LOWEST 52 2:00 PM
AVERAGE 72
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 23 33 2001
2003
2005
MINIMUM TEMPERATURE (F) 2 -28 1998
SUNRISE AND SUNSET
DECEMBER 20 2023......SUNRISE 7:54 AM MST SUNSET 4:44 PM MST
DECEMBER 21 2023......SUNRISE 7:55 AM MST SUNSET 4:44 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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