


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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033 CDUS45 KBOU 180759 CLIBDU CLIMATE REPORT NATIONAL WEATHER SERVICE DENVER/BOULDER 159 AM MDT MON AUG 18 2025 ................................... ...THE BOULDER AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 91 86 5 97 MINIMUM 64 56 8 59 AVERAGE 78 71 7 78 DEGREE DAYS HEATING YESTERDAY 0 MONTH TO DATE 0 COOLING YESTERDAY 13 MONTH TO DATE 197 ................................................ WIND (MPH) RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70) 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) 86 MM MM MINIMUM TEMPERATURE (F) 55 MM MM SUNRISE AND SUNSET AUGUST 18 2025........SUNRISE 616 AM MDT SUNSET 753 PM MDT AUGUST 19 2025........SUNRISE 617 AM MDT SUNSET 751 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$