Climatological Report (Daily)
Issued by NWS
Issued by NWS
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629 CDUS45 KRIW 180729 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 MM 73 2009 60 -15 MM 2020 MINIMUM 32 MM 24 2003 30 2 MM 2017 AVERAGE 39 45 -6 MM PRECIPITATION (IN) YESTERDAY 0.44 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 MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 2.2 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. $$