Climatological Report (Daily)
Issued by NWS
Issued by NWS
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922 CDUS45 KRIW 150727 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT SUN SEP 15 2024 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 14 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 61 4:15 PM 74 2020 62 -1 61 MINIMUM 28 6:38 AM 22 2003 31 -3 31 AVERAGE 45 46 -1 46 PRECIPITATION (IN) YESTERDAY 0.00 0.63 2017 0.05 -0.05 0.00 MONTH TO DATE 0.54 0.70 -0.16 1.88 SINCE SEP 1 0.54 0.70 -0.16 1.88 SINCE JAN 1 15.73 15.96 -0.23 19.91 DEGREE DAYS HEATING YESTERDAY 20 19 1 19 MONTH TO DATE 192 237 -45 211 SINCE SEP 1 192 237 -45 211 SINCE JUL 1 769 879 -110 744 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 15 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 3.2 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 96 1:00 AM LOWEST 29 3:00 PM AVERAGE 63 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 61 78 2000 MINIMUM TEMPERATURE (F) 31 26 2003 2004 2005 SUNRISE AND SUNSET SEPTEMBER 15 2024.....SUNRISE 7:01 AM MDT SUNSET 7:31 PM MDT SEPTEMBER 16 2024.....SUNRISE 7:02 AM MDT SUNSET 7:29 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$