Climatological Report (Monthly)
Issued by NWS

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811
CXUS56 KSTO 011301
CLMMOD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SACRAMENTO
601 AM PDT SUN JUN 01 2025

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

...THE MODESTO CA CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1931 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            107   05/17/2009
 LOW              32   05/05/1959
HIGHEST          103   05/31         MM      MM
LOWEST            50   05/04         MM      MM
AVG. MAXIMUM    85.2
AVG. MINIMUM    55.5
MEAN            70.4
DAYS MAX >= 90     5                6.5    -1.5
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                0.0     0.0
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           T   2022
 MINIMUM        0.00   2021
TOTALS          0.00R              0.65   -0.65     0.77
DAYS >= .01        0
DAYS >= .10        0
DAYS >= .50        0
DAYS >= 1.00       0


DEGREE DAYS
HEATING TOTAL      7                 44     -37
 SINCE 7/1      2104               2298    -194
COOLING TOTAL    179                133      46
 SINCE 1/1       208                165      43
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    26/310    DATE  05/22
HIGHEST GUST SPEED/DIRECTION    35/330    DATE  05/18
                                35/300          05/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.03
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC              1
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     46

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

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

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