National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS56 KSTO 091822
CLMMOD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SACRAMENTO
1022 AM PST TUE JAN 09 2024

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

...THE MODESTO CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1931 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             76   12/11/2021
 LOW              18   12/13/1932
HIGHEST           67   12/29         MM      MM
LOWEST            30   12/11         MM      MM
AVG. MAXIMUM    60.7
AVG. MINIMUM    40.8
MEAN            50.7
DAYS MAX >= 90     0                0.0     0.0
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     4                5.6    -1.6
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.94   2022
 MINIMUM        2.79   2023
TOTALS          2.79R              2.21    0.58     6.94
DAYS >= .01        9
DAYS >= .10        6
DAYS >= .50        2
DAYS >= 1.00       0


DEGREE DAYS
HEATING TOTAL    438                546    -108
 SINCE 7/1       813                935    -122
COOLING TOTAL      0                  0       0
 SINCE 1/1      1549               1623     -74
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              3.6
HIGHEST WIND SPEED/DIRECTION    20/330    DATE  12/08
HIGHEST GUST SPEED/DIRECTION    28/130    DATE  12/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       7
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      30     FOG W/VIS <= 1/4 MILE      9
HAZE                     18

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

$$