Climatological Report (Daily)
Issued by NWS
Issued by NWS
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521 CDUS45 KRIW 090727 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT MON SEP 09 2024 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 8 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 73 2:00 PM 79 2021 64 9 68 MINIMUM 33 5:43 AM 21 2020 32 1 37 AVERAGE 53 48 5 53 PRECIPITATION (IN) YESTERDAY 0.00 0.19 2003 0.06 -0.06 0.02 MONTH TO DATE 0.14 0.40 -0.26 1.19 SINCE SEP 1 0.14 0.40 -0.26 1.19 SINCE JAN 1 15.33 15.66 -0.33 19.22 DEGREE DAYS HEATING YESTERDAY 12 17 -5 12 MONTH TO DATE 85 128 -43 112 SINCE SEP 1 85 128 -43 112 SINCE JUL 1 662 770 -108 645 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 9 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 1.8 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 88 5:00 AM LOWEST 19 6:00 PM AVERAGE 54 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 81 2021 MINIMUM TEMPERATURE (F) 32 18 2020 SUNRISE AND SUNSET SEPTEMBER 9 2024.....SUNRISE 6:54 AM MDT SUNSET 7:42 PM MDT SEPTEMBER 10 2024.....SUNRISE 6:55 AM MDT SUNSET 7:40 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$