Climatological Report (Monthly)
Issued by NWS
Issued by NWS
817 CXUS56 KSGX 011014 CLMSAN CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 214 AM PST MON JAN 01 2024 ................................... ...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1874 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 88 12/29/1963 LOW 23 12/08/2021 HIGHEST 78 12/05 66 12 82 12/26 LOWEST 43 12/10 49 -6 39 12/17 12/19 AVG. MAXIMUM 68.4 66.0 2.4 64.9 AVG. MINIMUM 50.1 49.8 0.3 47.7 MEAN 59.2 57.9 1.3 56.3 DAYS MAX >= 90 0 0.0 0.0 0 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 9.26 1921 MINIMUM 0.00 1930 TOTALS 0.79 1.67 -0.88 1.58 DAILY AVG. 0.03 0.05 -0.02 0.05 DAYS >= .01 5 5.8 -0.8 6 DAYS >= .10 2 3.1 -1.1 4 DAYS >= .50 0 0.9 -0.9 0 DAYS >= 1.00 0 0.5 -0.5 0 DAYS >= %-5.2F 0 0 DAYS >= %-5.2F 0 0 GREATEST 24 HR. TOTAL 0.49 12/21 TO 12/22 0.85 12/11 TO 12/12 STORM TOTAL 0.40 0.47 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 171 221 -50 262 SINCE 7/1 267 329 -62 MM COOLING TOTAL 0 1 -1 1 SINCE 1/1 707 894 -187 MM FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST MM LATEST MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 3.2 RESULTANT WIND SPEED/DIRECTION 0/280 HIGHEST WIND SPEED/DIRECTION 24/230 DATE 12/21 HIGHEST GUST SPEED/DIRECTION 33/230 DATE 12/21 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.48 NUMBER OF DAYS FAIR 8 NUMBER OF DAYS PC 19 NUMBER OF DAYS CLOUDY 4 AVERAGE RH (PERCENT) 71 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 4 LIGHT RAIN 6 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 18 FOG W/VIS <= 1/4 MILE 0 HAZE 5 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$