307
CXUS56 KSGX 011025
CLMONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
325 AM PDT SAT JUN 01 2024
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...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF MAY 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 103 05/13/2013
05/12/2013
05/03/2004
LOW 42 05/01/1999
HIGHEST 83 05/30 80 3 87 05/13
05/14
LOWEST 49 05/06 53 -4 47 05/04
AVG. MAXIMUM 75.4 79.8 -4.4 73.6
AVG. MINIMUM 54.4 55.6 -1.2 54.6
MEAN 64.9 67.7 -2.8 64.1
DAYS MAX >= 90 0 5.0 -5.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MAX >= 45 31 31
DAYS MAX >= 120 0 0
DAYS MIN <= 32 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.52 1977
MINIMUM 0.00 1983
TOTALS 0.15 0.30 -0.15 0.78
DAILY AVG. 0.00 0.01 -0.01 0.03
DAYS >= .01 2 1.7 0.3 3
DAYS >= .10 1 0.9 0.1 1
DAYS >= .50 0 0.0 0.0 1
DAYS >= 1.00 0 0.0 0.0 0
DAYS >= %-5.2F 0 0
DAYS >= %-5.2F 0 0
GREATEST
24 HR. TOTAL 0.15 05/04 TO 05/05 0.74 05/04 TO 05/05
STORM TOTAL 0.13 0.70
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 34 37 -3 78
SINCE 7/1 1312 1288 24 MM
COOLING TOTAL 36 121 -85 56
SINCE 1/1 61 214 -153 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 7.0
RESULTANT WIND SPEED/DIRECTION 6/250
HIGHEST WIND SPEED/DIRECTION 21/260 DATE 05/10
HIGHEST GUST SPEED/DIRECTION 28/210 DATE 05/05
28/240 05/09
28/250 05/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.49
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 20
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 6 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 24 FOG W/VIS <= 1/4 MILE 0
HAZE 25
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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