


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
331 CXUS56 KSGX 010944 CLMMYF CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 244 AM PDT MON SEP 01 2025 ................................... ...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 105 08/29/2009 LOW 55 08/31/2010 HIGHEST 92 08/29 MM MM 93 08/20 LOWEST 62 08/01 MM MM 59 08/25 08/19 08/20 AVG. MAXIMUM 80.8 82.0 -1.2 82.4 AVG. MINIMUM 64.8 65.3 -0.5 65.5 MEAN 72.8 73.7 -0.9 73.9 DAYS MAX >= 90 2 3.3 -1.3 1 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MAX >= 45 31 31 DAYS MIN <= 32 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 2.15 2023 TOTALS 0.05 0.01 0.04 0.01 DAILY AVG. 0.00 0.00 -0.00 0.00 DAYS >= .01 1 0.3 0.7 1 DAYS >= .10 0 0.0 0.0 0 DAYS >= .50 0 0.0 0.0 0 DAYS >= 1.00 0 0.0 0.0 0 DAYS >= %-5.2F 0 0 DAYS >= %-5.2F 0 0 GREATEST 24 HR. TOTAL 0.05 08/28 TO 08/28 0.01 08/01 TO 08/01 STORM TOTAL 0.05 0.01 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 0 0 0 0 SINCE 7/1 0 1 -1 MM COOLING TOTAL 251 268 -17 282 SINCE 1/1 580 646 -66 MM FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST MM LATEST MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.1 RESULTANT WIND SPEED/DIRECTION 3/250 HIGHEST WIND SPEED/DIRECTION 17/230 DATE 08/23 HIGHEST GUST SPEED/DIRECTION 23/200 DATE 08/15 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.28 NUMBER OF DAYS FAIR 21 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 72 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 1 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 23 FOG W/VIS <= 1/4 MILE 5 HAZE 19 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$