Climatological Report (Monthly) Issued by NWS
000
CXUS56 KSGX 010943
CLMONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
143 AM PST THU FEB 01 2024
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...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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
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TEMPERATURE (F)
RECORD
HIGH 90 01/31/2003
LOW 25 01/14/2007
01/14/1962
HIGHEST 80 01/27 68 12 70 01/25
LOWEST 34 01/08 45 -11 35 01/21
01/24
AVG. MAXIMUM 65.4 67.7 -2.3 60.6
AVG. MINIMUM 44.4 44.6 -0.2 42.2
MEAN 54.9 56.1 -1.2 51.4
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MAX >= 45 31 31
DAYS MAX >= 120 0 0
DAYS MIN <= 32 0 0.5 -0.5 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 12.47 1969
MINIMUM 0.00 2003
TOTALS 0.78 2.57 -1.79 4.81
DAILY AVG. 0.03 0.08 -0.05 0.20
DAYS >= .01 5 5.1 -0.1 7
DAYS >= .10 2 3.4 -1.4 4
DAYS >= .50 0 1.6 -1.6 4
DAYS >= 1.00 0 0.7 -0.7 0
DAYS >= %-5.2F 0 0
DAYS >= %-5.2F 0 0
GREATEST
24 HR. TOTAL 0.36 01/03 TO 01/03 1.79 01/14 TO 01/15
STORM TOTAL 0.36 1.72
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 306 280 26 413
SINCE 7/1 590 749 -159 MM
COOLING TOTAL 0 5 -5 0
SINCE 1/1 0 5 -5 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 3.8
RESULTANT WIND SPEED/DIRECTION 1/270
HIGHEST WIND SPEED/DIRECTION 22/040 DATE 01/26
HIGHEST GUST SPEED/DIRECTION 29/360 DATE 01/06
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.53
NUMBER OF DAYS FAIR 9
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 7
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 4
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 2
HAZE 14
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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