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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.

$$