Climatological Report (Daily)
Issued by NWS
Issued by NWS
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729 CDUS45 KRIW 100727 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT TUE SEP 10 2024 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 9 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 4:56 PM 81 2021 64 7 67 MINIMUM 37 5:40 AM 18 2020 32 5 34 AVERAGE 54 48 6 51 PRECIPITATION (IN) YESTERDAY 0.00 0.28 2014 0.05 -0.05 0.00 MONTH TO DATE 0.14 0.45 -0.31 1.19 SINCE SEP 1 0.14 0.45 -0.31 1.19 SINCE JAN 1 15.33 15.71 -0.38 19.22 DEGREE DAYS HEATING YESTERDAY 11 17 -6 14 MONTH TO DATE 96 145 -49 126 SINCE SEP 1 96 145 -49 126 SINCE JUL 1 673 787 -114 659 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 12 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 2.3 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 83 8:00 AM LOWEST 21 2:00 PM AVERAGE 52 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 63 75 2021 MINIMUM TEMPERATURE (F) 32 22 2007 SUNRISE AND SUNSET SEPTEMBER 10 2024.....SUNRISE 6:55 AM MDT SUNSET 7:40 PM MDT SEPTEMBER 11 2024.....SUNRISE 6:57 AM MDT SUNSET 7:39 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$