Climatological Report (Monthly) Issued by NWS
000
CXCA52 TJSJ 021850
CLMIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
250 PM AST MON OCT 02 2023
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 98 09/28/1993
09/05/1993
09/01/1993
LOW 64 09/17/1972
HIGHEST 93 09/09 92 1 92
09/10
09/28
LOWEST 79 09/11 80 -1 75
09/18
09/19
AVG. MAXIMUM 90.4 89.2 1.2 88.3
AVG. MINIMUM 81.7 79.5 2.2 79.3
MEAN 86.0 84.4 1.6 83.8
DAYS MAX >= 90 22 12.2 9.8 7
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.94 1953
MINIMUM 0.92 2012
TOTALS 2.31 5.89 -3.58 7.71
DAILY AVG. 0.08 0.20 -0.12 0.25
DAYS >= .01 15 15.2 -0.2 10
DAYS >= .10 6 8.5 -2.5 6
DAYS >= .50 2 2.5 -0.5 2
DAYS >= 1.00 0 1.0 -1.0 0
GREATEST
24 HR. TOTAL 1.07 09/18 TO 09/19
STORM TOTAL 0.56
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0
COOLING TOTAL 638 580 58 572
SINCE 1/1 4799
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 9.7
HIGHEST WIND SPEED/DIRECTION MM DATE MM
HIGHEST GUST SPEED/DIRECTION 31/MM DATE 09/11
SKY COVER
AVERAGE SKY COVER 0.20
AVERAGE RH (PERCENT) 79
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP MM
HEAVY RAIN 2 RAIN 9
LIGHT RAIN 10 FREEZING RAIN MM
LT FREEZING RAIN MM HAIL MM
HEAVY SNOW MM SNOW MM
LIGHT SNOW MM SLEET MM
FOG 11 FOG W/VIS <= 1/4 MILE MM
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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