Climatological Report (Daily)
Issued by NWS
Issued by NWS
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816 CDUS45 KRIW 130728 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 128 AM MDT FRI SEP 13 2024 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 12 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 44 12:38 AM 75 2017 62 -18 66 MINIMUM 32 11:59 PM 18 2014 31 1 36 AVERAGE 38 47 -9 51 PRECIPITATION (IN) YESTERDAY 0.21 0.76 2016 0.05 0.16 0.00 MONTH TO DATE 0.54 0.60 -0.06 1.20 SINCE SEP 1 0.54 0.60 -0.06 1.20 SINCE JAN 1 15.73 15.86 -0.13 19.23 DEGREE DAYS HEATING YESTERDAY 27 18 9 14 MONTH TO DATE 147 199 -52 174 SINCE SEP 1 147 199 -52 174 SINCE JUL 1 724 841 -117 707 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 24 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 2.5 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 97 3:00 AM LOWEST 79 2:00 PM AVERAGE 88 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 62 73 2015 MINIMUM TEMPERATURE (F) 31 24 2003 2012 2014 SUNRISE AND SUNSET SEPTEMBER 13 2024.....SUNRISE 6:59 AM MDT SUNSET 7:35 PM MDT SEPTEMBER 14 2024.....SUNRISE 7:00 AM MDT SUNSET 7:33 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$