Climatological Report (Monthly)
Issued by NWS

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000
CXUS56 KHNX 010842
CLMMCE


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY, CA
1234 AM PST MON JAN 1 2018

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

...THE MERCED CA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              74   12/20/1999
 LOW               22   12/09/2013
                        12/24/2011
                        12/22/1998
HIGHEST            65   12/16        MM      MM       65  12/09
                        12/08
LOWEST             26   12/22        MM      MM       26  12/19
                        12/05
AVG. MAXIMUM     60.4              53.4     7.0     55.1
AVG. MINIMUM     32.1              35.9    -3.8     35.2
MEAN             46.3              44.6     1.7     45.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MIN <= 32     19              10.0     9.0       16

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.72   2002
TOTALS           0.08              1.52   -1.44     1.91
DAYS >= .01         1                MM      MM        6
DAYS >= .10         0                MM      MM        4
DAYS >= .50         0                MM      MM        1
DAYS >= 1.00        0                MM      MM        0
GREATEST
 24 HR. TOTAL    0.08   12/20 TO 12/20

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0
TOTALS            0.0                MM

DEGREE_DAYS
HEATING TOTAL     553               630     -77      606
 SINCE 7/1        907              1119    -212      951
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1843              1408     435     1649
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              3.0
HIGHEST WIND SPEED/DIRECTION    30/340    DATE  12/16
HIGHEST GUST SPEED/DIRECTION    41/340    DATE  12/16

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     RAIN                       0
HAIL                      0     FOG                       25
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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