Climatological Report (Daily)
Issued by NWS
Issued by NWS
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020
CDUS45 KRIW 190733
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT THU SEP 19 2024
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 18 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 46 11:59 AM 75 2009 60 -14 MM
MINIMUM 33 12:23 AM 18 2003 30 3 MM
AVERAGE 40 45 -5 MM
PRECIPITATION (IN)
YESTERDAY 0.27 0.53 2013 0.06 0.21 0.00
MONTH TO DATE 1.43 0.91 0.52 1.88
SINCE SEP 1 1.43 0.91 0.52 1.88
SINCE JAN 1 16.62 16.17 0.45 19.91
DEGREE DAYS
HEATING
YESTERDAY 25 20 5 MM
MONTH TO DATE 271 316 -45 246
SINCE SEP 1 271 316 -45 246
SINCE JUL 1 848 958 -110 779
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 14 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 79 12:00 PM
AVERAGE 88
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 72 2009
2010
MINIMUM TEMPERATURE (F) 30 22 2003
SUNRISE AND SUNSET
SEPTEMBER 19 2024.....SUNRISE 7:06 AM MDT SUNSET 7:24 PM MDT
SEPTEMBER 20 2024.....SUNRISE 7:07 AM MDT SUNSET 7:22 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$