Climatological Report (Monthly)
Issued by NWS
Issued by NWS
696 CXUS56 KMTR 010853 CLMCCR CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1253 AM PST MON JAN 01 2024 ................................... ...THE CONCORD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1999 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 75 MM LOW 24 12/10/2013 HIGHEST 67 12/04 64 12/30 12/22 LOWEST 33 12/10 30 12/18 AVG. MAXIMUM 62.1 55.0 AVG. MINIMUM 43.6 39.7 MEAN 52.9 47.4 DAYS MAX >= 90 0 0 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 4 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) TOTALS 2.40 3.18 -0.78 7.97 DAILY AVG. 0.08 0.26 DAYS >= .01 10 12 DAYS >= .10 8 10 DAYS >= .50 2 6 DAYS >= 1.00 0 2 GREATEST 24 HR. TOTAL 0.71 12/17 TO 12/18 3.14 12/30 TO 12/31 12/18 TO 12/19 DEGREE DAYS HEATING TOTAL 369 541 SINCE 7/1 675 MM COOLING TOTAL 0 0 SINCE 1/1 1015 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.3 RESULTANT WIND SPEED/DIRECTION 1/150 HIGHEST WIND SPEED/DIRECTION 22/170 DATE 12/29 HIGHEST GUST SPEED/DIRECTION 28/170 DATE 12/29 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.32 NUMBER OF DAYS FAIR 18 NUMBER OF DAYS PC 7 NUMBER OF DAYS CLOUDY 6 AVERAGE RH (PERCENT) 75 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 5 LIGHT RAIN 12 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 22 FOG W/VIS <= 1/4 MILE 3 HAZE 7 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$