


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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448 CDUS45 KBOU 190733 CLIBDU CLIMATE REPORT NATIONAL WEATHER SERVICE DENVER/BOULDER 133 AM MDT TUE AUG 19 2025 ................................... ...THE BOULDER AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 93 86 7 95 MINIMUM 63 55 8 64 AVERAGE 78 71 7 80 DEGREE DAYS HEATING YESTERDAY 0 MONTH TO DATE 0 COOLING YESTERDAY 13 MONTH TO DATE 210 ................................................ WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (110) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (110) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (230) SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST MM LOWEST MM AVERAGE MM .......................................................... THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 MM MM MINIMUM TEMPERATURE (F) 55 MM MM SUNRISE AND SUNSET AUGUST 19 2025........SUNRISE 617 AM MDT SUNSET 751 PM MDT AUGUST 20 2025........SUNRISE 618 AM MDT SUNSET 750 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$