Climatological Report (Monthly)
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000
CXUS56 KSGX 012233
CLMONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
333 PM PDT SAT APR 01 2023

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF MARCH 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023

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           74   03/18         71       3       89  03/25
LOWEST            33R  03/02         47     -14       38  03/06
AVG. MAXIMUM    62.0               71.7    -9.7     74.5
AVG. MINIMUM    44.5               48.7    -4.2     48.7
MEAN            53.2               60.2    -7.0     61.6
DAYS MAX >= 90     0                0.9    -0.9        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    31                                  31
DAYS MAX >= 120    0                                   0
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       11.65   1978
 MINIMUM        0.00   1972
TOTALS          7.81               1.64    6.17     0.97
DAILY AVG.      0.26               0.05    0.21     0.03
DAYS >= .01       13                5.3     7.7        5
DAYS >= .10       11                2.7     8.3        2
DAYS >= .50        6                0.7     5.3        1
DAYS >= 1.00       4                0.3     3.7        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   2.53   03/14 TO 03/15               0.80  03/28 TO 03/29
 STORM TOTAL    1.48                                0.70
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL    358                172     186      141
 SINCE 7/1      1719               1144     575       MM
COOLING TOTAL      0                 23     -23       40
 SINCE 1/1         0                 36     -36       MM

FREEZE DATES
RECORD
 EARLIEST     11/30/2004
 LATEST       02/14/2006
EARLIEST                        02/24
LATEST                          02/20
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.5
RESULTANT WIND SPEED/DIRECTION   3/240
HIGHEST WIND SPEED/DIRECTION    25/230    DATE  03/21
HIGHEST GUST SPEED/DIRECTION    32/230    DATE  03/01
                                32/210          03/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.66
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       9
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      0
HAZE                     11

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

$$


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