460
CXUS56 KMTR 011630
CLMLVK

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
930 AM PDT MON JUN 01 2026

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1930 TO 2026

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           92   05/21                          99  05/30
                                                          05/31
LOWEST            46   05/31                          45  05/04
                                                          05/15
AVG. MAXIMUM    76.8               75.3     1.5     78.3
AVG. MINIMUM    51.5                                50.0
MEAN            64.2               62.4     1.8     64.2
DAYS MAX >= 90     3                                   3
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          0.41               0.56   -0.15     0.07
DAILY AVG.      0.01                                0.00
DAYS >= .01        3                                   1
DAYS >= .10        1                                   0
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.36   05/27 TO 05/28               0.07  05/12 TO 05/12


DEGREE DAYS
HEATING TOTAL     59                126     -67       75
 SINCE 7/1      1922               2674    -752       MM
COOLING TOTAL     40                 44      -4       56
 SINCE 1/1        75                 52      23       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
RESULTANT WIND SPEED/DIRECTION   6/280
HIGHEST WIND SPEED/DIRECTION    29/360    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    43/020    DATE  05/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$