Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS56 KMTR 010900 CLMLVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 200 AM PDT SUN OCT 01 2023 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1930 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 115 MM LOW 44 09/29/2019 HIGHEST 91 09/08 113 09/05 09/06 LOWEST 50 09/24 52 09/17 09/25 09/22 AVG. MAXIMUM 80.6 85.4 -4.8 90.9 AVG. MINIMUM 55.9 59.7 MEAN 68.2 70.2 -2.0 75.3 DAYS MAX >= 90 3 14 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM T 2021 MINIMUM 0.00 2020 TOTALS 0.05 0.08 -0.03 0.49 DAILY AVG. 0.00 0.02 DAYS >= .01 1 3 DAYS >= .10 0 2 DAYS >= .50 0 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.05 09/30 TO 09/30 0.31 09/18 TO 09/19 DEGREE DAYS HEATING TOTAL 8 15 -7 2 SINCE 7/1 18 17 1 MM COOLING TOTAL 113 170 -57 318 SINCE 1/1 841 796 45 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.7 RESULTANT WIND SPEED/DIRECTION 5/270 HIGHEST WIND SPEED/DIRECTION 22/270 DATE 09/17 22/270 09/25 22/240 09/29 HIGHEST GUST SPEED/DIRECTION 29/260 DATE 09/25 29/280 09/28 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.22 NUMBER OF DAYS FAIR 22 NUMBER OF DAYS PC 5 NUMBER OF DAYS CLOUDY 3 AVERAGE RH (PERCENT) 63 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 1 LIGHT RAIN 2 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 7 FOG W/VIS <= 1/4 MILE 0 HAZE 8 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$