Climatological Report (Monthly)
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000
CXUS56 KSGX 011012
CLMONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
312 AM PDT MON APR 01 2024

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF MARCH 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024

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           77   03/18         71       6       74  03/18
LOWEST            40   03/25         47      -7       33  03/02
AVG. MAXIMUM    65.6               71.7    -6.1     62.0
AVG. MINIMUM    47.5               48.7    -1.2     44.5
MEAN            56.5               60.2    -3.7     53.2
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          3.49               1.64    1.85     7.86
DAILY AVG.      0.11               0.05    0.06     0.25
DAYS >= .01        9                5.3     3.7       MM
DAYS >= .10        7                2.7     4.3       MM
DAYS >= .50        2                0.7     1.3       MM
DAYS >= 1.00       1                0.3     0.7       MM
DAYS >= %-5.2F     0                                  MM
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   1.42   03/30 TO 03/30               2.53  03/14 TO 03/15
 STORM TOTAL    1.42                                1.48
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL    256                172      84      358
 SINCE 7/1      1144               1144       0       MM
COOLING TOTAL      0                 23     -23        0
 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              5.8
RESULTANT WIND SPEED/DIRECTION   2/250
HIGHEST WIND SPEED/DIRECTION    38/030    DATE  03/14
HIGHEST GUST SPEED/DIRECTION    58/040    DATE  03/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.59
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       6
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      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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