Climatological Report (Daily)
Issued by NWS
Issued by NWS
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581 CDUS45 KRIW 160740 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 140 AM MDT MON SEP 16 2024 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 15 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 71 MM 78 2000 61 10 62 MINIMUM 29 MM 26 2003 31 -2 29 2004 2005 AVERAGE 50 46 4 46 PRECIPITATION (IN) YESTERDAY 0.00 0.86 2017 0.05 -0.05 0.00 MONTH TO DATE 0.54 0.75 -0.21 1.88 SINCE SEP 1 0.54 0.75 -0.21 1.88 SINCE JAN 1 15.73 16.01 -0.28 19.91 DEGREE DAYS HEATING YESTERDAY 15 19 -4 19 MONTH TO DATE 207 256 -49 230 SINCE SEP 1 207 256 -49 230 SINCE JUL 1 784 898 -114 763 COOLING YESTERDAY 0 0 0 0 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 5 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 1.0 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 17 4:00 PM AVERAGE 55 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 61 77 2000 MINIMUM TEMPERATURE (F) 30 27 2007 2016 2017 SUNRISE AND SUNSET SEPTEMBER 16 2024.....SUNRISE 7:02 AM MDT SUNSET 7:29 PM MDT SEPTEMBER 17 2024.....SUNRISE 7:04 AM MDT SUNSET 7:27 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$