Climatological Report (Daily)
Issued by NWS
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138
CDUS45 KRIW 210747
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
147 AM MDT TUE MAY 21 2024
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 20 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 44 1:29 PM 66 2002 52 -8 63
MINIMUM 22 5:31 AM 17 2003 28 -6 27
AVERAGE 33 40 -7 45
PRECIPITATION (IN)
YESTERDAY 0.00 0.28 2005 0.08 -0.08 0.00
MONTH TO DATE 1.08 1.39 -0.31 0.95
SINCE MAR 1 6.41 5.57 0.84 6.88
SINCE JAN 1 10.88 9.07 1.81 10.09
DEGREE DAYS
HEATING
YESTERDAY 32 25 7 20
MONTH TO DATE 488 564 -76 492
SINCE MAR 1 2640 3010 -370 3283
SINCE JUL 1 10114 11214 -1100 11256
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 3.5
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 78 10:00 PM
LOWEST 30 11:00 AM
AVERAGE 54
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 52 68 2012
MINIMUM TEMPERATURE (F) 28 17 2001
SUNRISE AND SUNSET
MAY 21 2024...........SUNRISE 5:47 AM MDT SUNSET 8:50 PM MDT
MAY 22 2024...........SUNRISE 5:46 AM MDT SUNSET 8:51 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$