Climatological Report (Monthly)
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CXUS56 KSGX 011601
CLMONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
800 AM PST WED FEB 1 2017

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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              90   01/31/2003
 LOW               25   01/14/2007
                        01/14/1962
HIGHEST            77   01/29        68       9       77  01/21
LOWEST             34   01/26        45     -11       31  01/01
AVG. MAXIMUM     61.2              65.2    -4.0     64.2
AVG. MINIMUM     43.8              43.8     0.0     43.0
MEAN             52.5              54.5    -2.0     53.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MAX >= 100     0                                  0
DAYS MAX >= 110     0                                  0
DAYS MIN <= 32      0               0.4    -0.4        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.47   1969
 MINIMUM         0.00   2003
TOTALS           7.38              3.31    4.07     2.19
DAILY AVG.       0.24              0.11    0.13     0.07
DAYS >= .01        10                MM      MM        5
DAYS >= .10         8                MM      MM        4
DAYS >= .50         6                MM      MM        2
DAYS >= 1.00        3                MM      MM        0
DAYS >= 1.50        1                                  0
DAYS >= 2.00        0                                  0
GREATEST
 24 HR. TOTAL    2.25   01/22 TO 01/23           01/06 TO 01/07
                                                          01/30 TO 01/30
                                                          01/30 TO 01/30
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    01/07(00) TO 01/07(00)
                                                 01/30(00) TO 01/30(00)0
                                                 01/30(00) TO 01/30(00)0

DEGREE_DAYS
HEATING TOTAL     377               329      48      346
 SINCE 7/1        840               889     -49      906
COOLING TOTAL       0                 3      -3        0
 SINCE 1/1          0                 0       0        0

FREEZE DATES
RECORD
 EARLIEST     11/30/2004
 LATEST       02/14/2006
EARLIEST                        MM
LATEST                          MM
.................................................

WIND (MPH)
AVERAGE WIND SPEED              4.9
RESULTANT WIND SPEED/DIRECTION   1/287
HIGHEST WIND SPEED/DIRECTION    40/050    DATE  01/27
HIGHEST GUST SPEED/DIRECTION    59/060    DATE  01/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       9
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

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