


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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335 CDUS45 KBOU 220733 CLIBDU CLIMATE REPORT NATIONAL WEATHER SERVICE DENVER/BOULDER 133 AM MDT FRI AUG 22 2025 ................................... ...THE BOULDER AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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 95 86 9 93 MINIMUM 63 55 8 64 AVERAGE 79 70 9 79 DEGREE DAYS HEATING YESTERDAY 0 MONTH TO DATE 0 COOLING YESTERDAY 14 MONTH TO DATE 246 ................................................ WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (360) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (360) 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 MM LOWEST MM AVERAGE MM .......................................................... THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 MM MM MINIMUM TEMPERATURE (F) 55 MM MM SUNRISE AND SUNSET AUGUST 22 2025........SUNRISE 620 AM MDT SUNSET 747 PM MDT AUGUST 23 2025........SUNRISE 620 AM MDT SUNSET 746 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$