Climatological Report (Daily)
Issued by NWS
Issued by NWS
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020 CDUS45 KRIW 190733 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 133 AM MDT THU SEP 19 2024 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 18 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 46 11:59 AM 75 2009 60 -14 MM MINIMUM 33 12:23 AM 18 2003 30 3 MM AVERAGE 40 45 -5 MM PRECIPITATION (IN) YESTERDAY 0.27 0.53 2013 0.06 0.21 0.00 MONTH TO DATE 1.43 0.91 0.52 1.88 SINCE SEP 1 1.43 0.91 0.52 1.88 SINCE JAN 1 16.62 16.17 0.45 19.91 DEGREE DAYS HEATING YESTERDAY 25 20 5 MM MONTH TO DATE 271 316 -45 246 SINCE SEP 1 271 316 -45 246 SINCE JUL 1 848 958 -110 779 COOLING YESTERDAY 0 0 0 MM 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 14 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 5.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 97 5:00 AM LOWEST 79 12:00 PM AVERAGE 88 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 59 72 2009 2010 MINIMUM TEMPERATURE (F) 30 22 2003 SUNRISE AND SUNSET SEPTEMBER 19 2024.....SUNRISE 7:06 AM MDT SUNSET 7:24 PM MDT SEPTEMBER 20 2024.....SUNRISE 7:07 AM MDT SUNSET 7:22 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$