Climatological Report (Daily)
Issued by NWS
Issued by NWS
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663 CDUS45 KRIW 220727 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT SUN SEP 22 2024 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 21 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 4:44 PM 69 2001 58 3 55 2012 MINIMUM 30 11:53 PM 22 2004 29 1 33 2021 AVERAGE 46 44 2 44 PRECIPITATION (IN) YESTERDAY 0.00 1.20 2023 0.06 -0.06 1.20 MONTH TO DATE 1.43 1.08 0.35 3.48 SINCE SEP 1 1.43 1.08 0.35 3.48 SINCE JAN 1 16.62 16.34 0.28 21.51 DEGREE DAYS HEATING YESTERDAY 19 21 -2 21 MONTH TO DATE 332 379 -47 306 SINCE SEP 1 332 379 -47 306 SINCE JUL 1 909 1021 -112 839 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 8 HIGHEST WIND DIRECTION SE (130) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (120) AVERAGE WIND SPEED 2.2 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 89 1:00 AM LOWEST 34 5:00 PM AVERAGE 62 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 71 2012 2015 MINIMUM TEMPERATURE (F) 29 19 2000 SUNRISE AND SUNSET SEPTEMBER 22 2024.....SUNRISE 7:10 AM MDT SUNSET 7:18 PM MDT SEPTEMBER 23 2024.....SUNRISE 7:11 AM MDT SUNSET 7:16 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$