Climatological Report (Monthly) Issued by NWS
000
CXUS56 KSGX 010946
CLMONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
246 AM PDT MON MAY 01 2023
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...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF APRIL 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
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TEMPERATURE (F)
RECORD
HIGH 101 04/26/2004
LOW 33 04/10/1999
HIGHEST 90 04/21 76 14 98 04/08
LOWEST 38 04/04 49 -11 43 04/13
AVG. MAXIMUM 75.3 75.7 -0.4 77.5
AVG. MINIMUM 49.6 51.1 -1.5 53.0
MEAN 62.5 63.4 -0.9 65.2
DAYS MAX >= 90 1 2.6 -1.6 3
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MAX >= 45 30 30
DAYS MAX >= 120 0 0
DAYS MIN <= 32 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.95 1965
MINIMUM 0.00 1979
TOTALS 0.01 0.76 -0.75 0.26
DAILY AVG. 0.00 0.03 -0.03 0.01
DAYS >= .01 1 3.6 -2.6 3
DAYS >= .10 0 1.8 -1.8 1
DAYS >= .50 0 0.7 -0.7 0
DAYS >= 1.00 0 0.1 -0.1 0
DAYS >= %-5.2F 0 0
DAYS >= %-5.2F 0 0
GREATEST
24 HR. TOTAL 0.01 04/13 TO 04/13 0.23 04/21 TO 04/22
STORM TOTAL 0.01 0.22
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 116 105 11 67
SINCE 7/1 1835 1250 585 MM
COOLING TOTAL 49 57 -8 81
SINCE 1/1 49 93 -44 MM
FREEZE DATES
RECORD
EARLIEST 11/30/2004
LATEST 02/14/2006
EARLIEST 02/24
LATEST 02/20
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WIND (MPH)
AVERAGE WIND SPEED 6.0
RESULTANT WIND SPEED/DIRECTION 5/250
HIGHEST WIND SPEED/DIRECTION 29/270 DATE 04/03
HIGHEST GUST SPEED/DIRECTION 39/270 DATE 04/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 16
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 14 FOG W/VIS <= 1/4 MILE 1
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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