172
CXUS56 KMTR 010836
CLMLVK

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT SUN JUN 01 2025

...................................

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1930 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   05/17/2009
                       05/31/2001
 LOW              32   05/05/1952
                       05/04/1952
HIGHEST           99   05/30                          92  05/31
                       05/31
LOWEST            45   05/04                          42  05/01
                       05/15
                                                          05/06
AVG. MAXIMUM    78.3               75.3     3.0     77.7
AVG. MINIMUM    50.0                                49.1
MEAN            64.1               62.4     1.7     63.4
DAYS MAX >= 90     3                                   2
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        0.51   2024
 MINIMUM        0.00   2022
TOTALS          0.07               0.56   -0.49     0.51
DAILY AVG.      0.00                                0.02
DAYS >= .01        1                                   1
DAYS >= .10        0                                   1
DAYS >= .50        0                                   1
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.07   05/12 TO 05/12               0.51  05/04 TO 05/05


DEGREE DAYS
HEATING TOTAL     75                126     -51       81
 SINCE 7/1      2349               2674    -325       MM
COOLING TOTAL     56                 44      12       39
 SINCE 1/1        57                 52       5       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.9
RESULTANT WIND SPEED/DIRECTION   6/270
HIGHEST WIND SPEED/DIRECTION    25/260    DATE  05/22
HIGHEST GUST SPEED/DIRECTION    37/010    DATE  05/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.16
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$