Climatological Report (Monthly)
Issued by NWS

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267
CXUS56 KSGX 011725
CLMONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
1025 AM PDT SUN APR 1 2018

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF MARCH 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   03/14/2013
                        03/11/2007
                        09/27/2010
 LOW               33   03/12/2006
HIGHEST            88   03/30        71      17       92  03/13
LOWEST             39   03/05        47      -8       36  03/06
AVG. MAXIMUM     69.5              69.9    -0.4     77.4
AVG. MINIMUM     48.6              47.2     1.4     48.5
MEAN             59.0              58.5     0.5     62.9
DAYS MAX >= 90      0               0.3    -0.3        2
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.65   1978
 MINIMUM         0.00   1972
TOTALS           1.47              2.32   -0.85     0.14
DAILY AVG.       0.05              0.07   -0.02     0.00
DAYS >= .01        10                MM      MM        1
DAYS >= .10         6                MM      MM        1
DAYS >= .50         0                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
GREATEST
 24 HR. TOTAL    0.48   03/22 TO 03/22           03/21 TO 03/21
                                                          03/31 TO 03/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          03/31 TO 03/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    03/21(00) TO 03/21(00)
                                                 03/31(00) TO 03/31(00)1EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                 03/31(00) TO 03/31(00)1EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL     192               212     -20      112
 SINCE 7/1        756              1369    -613     1209
COOLING TOTAL      10                12      -2       57
 SINCE 1/1         40                18      22       58

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

WIND (MPH)
AVERAGE WIND SPEED              5.6
RESULTANT WIND SPEED/DIRECTION   3/248
HIGHEST WIND SPEED/DIRECTION    33/030    DATE  03/27
HIGHEST GUST SPEED/DIRECTION    45/030    DATE  03/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  6
  0
  0
  0
  0
  0
HAZE                      7

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

$$



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