Climatological Report (Monthly) Issued by NWS
000
CXUS56 KMTR 010900
CLMLVK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
200 AM PDT SUN OCT 01 2023
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...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
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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
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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.
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