Climatological Report (Monthly)
Issued by NWS

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CXUS56 KSTO 011754
CLMMOD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SACRAMENTO, CA
952 AM PST MON JAN 1 2018

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

...THE MODESTO CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1931 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              75   12/05/1995
                        12/01/1977
 LOW               18   12/13/1932
HIGHEST            65   12/10        MM      MM
                        12/16
LOWEST             30   12/22        MM      MM
AVG. MAXIMUM     60.7              55.6     5.1
AVG. MINIMUM     34.9              39.8    -4.9
MEAN             47.8              47.7     0.1
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32     10               3.2     6.8
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           0.05              2.04   -1.99     2.04
DAYS >= .01         1
DAYS >= .10         0
DAYS >= .50         0
DAYS >= 1.00        0

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL       MM
TOTALS            0.0               0.0     0.0
 LIQUID EQUIV    0.00              0.00    0.00
SINCE 7/1         0.0               0.0     0.0
 LIQUID 7/1      0.00
DAYS >= TRACE       0               0.0     0.0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   12/31 TO 12/31
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     525               536     -11
 SINCE 7/1        792               897    -105
COOLING TOTAL       0                 0       0
 SINCE 1/1       2120              1699     421

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST      12/07             MM
LATEST                          MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              3.6
HIGHEST WIND SPEED/DIRECTION    35/330    DATE  12/16
HIGHEST GUST SPEED/DIRECTION    44/330    DATE  12/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.00
NUMBER OF DAYS FAIR           31
NUMBER OF DAYS PC              0
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     68

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                      29     FOG W/VIS <= 1/4 MILE      4
HAZE                     29

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

$$



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