


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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410 CDUS45 KBOU 080736 CLIBDU CLIMATE REPORT NATIONAL WEATHER SERVICE DENVER/BOULDER 136 AM MDT MON SEP 08 2025 ................................... ...THE BOULDER AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 9999 TO 9999 WEATHER ITEM OBSERVED NORMAL DEPARTURE LAST VALUE VALUE FROM YEAR NORMAL ................................................ TEMPERATURE (F) YESTERDAY MAXIMUM 86 82 4 86 MINIMUM 57 51 6 55 AVERAGE 72 67 5 71 DEGREE DAYS HEATING YESTERDAY 0 MONTH TO DATE 11 COOLING YESTERDAY 7 MONTH TO DATE 28 ................................................ WIND (MPH) RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION S (190) HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (0) SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST MM LOWEST MM AVERAGE MM .......................................................... THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 MM MM MINIMUM TEMPERATURE (F) 51 MM MM SUNRISE AND SUNSET SEPTEMBER 8 2025.....SUNRISE 636 AM MDT SUNSET 720 PM MDT SEPTEMBER 9 2025.....SUNRISE 637 AM MDT SUNSET 719 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$