


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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189 CDUS45 KBOU 170731 CLIBDU CLIMATE REPORT NATIONAL WEATHER SERVICE DENVER/BOULDER 131 AM MDT THU JUL 17 2025 ................................... ...THE BOULDER AIRPORT CLIMATE SUMMARY FOR JULY 16 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 79 88 -9 86 MINIMUM 59 57 2 61 AVERAGE 69 73 -4 74 DEGREE DAYS HEATING YESTERDAY 0 MONTH TO DATE 0 COOLING YESTERDAY 4 MONTH TO DATE 176 ................................................ WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (50) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (10) SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST MM LOWEST MM AVERAGE MM .......................................................... THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 MM MM MINIMUM TEMPERATURE (F) 58 MM MM SUNRISE AND SUNSET JULY 17 2025..........SUNRISE 546 AM MDT SUNSET 827 PM MDT JULY 18 2025..........SUNRISE 547 AM MDT SUNSET 827 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$