Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 180750 CCA
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT WED SEP 18 2024
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 17 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 45 8:29 PM 73 2009 60 -15 MM
2020
MINIMUM 32 5:42 AM 24 2003 30 2 MM
2017
AVERAGE 39 45 -6 MM
PRECIPITATION (IN)
YESTERDAY 0.56 0.68 2013 0.05 0.39 0.00
MONTH TO DATE 1.04 0.85 0.19 1.88
SINCE SEP 1 1.04 0.85 0.19 1.88
SINCE JAN 1 16.23 16.11 0.12 19.91
DEGREE DAYS
HEATING
YESTERDAY 26 20 6 MM
MONTH TO DATE 246 296 -50 246
SINCE SEP 1 246 296 -50 246
SINCE JUL 1 823 938 -115 779
COOLING
YESTERDAY 0 0 0 MM
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 2.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 10:00 PM
LOWEST 82 9:00 AM
AVERAGE 89
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 75 2009
MINIMUM TEMPERATURE (F) 30 18 2003
SUNRISE AND SUNSET
SEPTEMBER 18 2024.....SUNRISE 7:05 AM MDT SUNSET 7:25 PM MDT
SEPTEMBER 19 2024.....SUNRISE 7:06 AM MDT SUNSET 7:24 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$