Climatological Report (Monthly) Issued by NWS
000
CXCA52 TJSJ 021850
CLMISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
250 PM AST MON OCT 02 2023
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 97 09/09/2023
09/09/2023
LOW 63 09/05/1979
HIGHEST 97R 09/09 92 5 95
09/27
09/30
LOWEST 78 09/16 81 -3 74
09/19
09/20
AVG. MAXIMUM 94.9 89.0 5.9 90.2
AVG. MINIMUM 80.5 76.6 3.9 78.4
MEAN 87.7 82.8 4.9 84.3
DAYS MAX >= 90 30 12.6 17.4 24
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 19.15 1996
MINIMUM 0.76 2023
TOTALS 0.76R 4.89 -4.13 11.23
DAILY AVG. 0.03 0.16 -0.13 0.39
DAYS >= .01 12 15.7 -3.7 13
DAYS >= .10 3 8.3 -5.3 7
DAYS >= .50 0 2.2 -2.2 2
DAYS >= 1.00 0 0.7 -0.7 2
GREATEST
24 HR. TOTAL MM
STORM TOTAL 0.21
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0
COOLING TOTAL 688 534 154 588
SINCE 1/1 4790
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 8.8
HIGHEST WIND SPEED/DIRECTION 22/080 DATE 09/27
22/070 09/30
HIGHEST GUST SPEED/DIRECTION 32/070 DATE 09/30
SKY COVER
AVERAGE SKY COVER 0.24
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP MM
HEAVY RAIN 2 RAIN 9
LIGHT RAIN 15 FREEZING RAIN MM
LT FREEZING RAIN MM HAIL MM
HEAVY SNOW MM SNOW MM
LIGHT SNOW MM SLEET MM
FOG 6 FOG W/VIS <= 1/4 MILE MM
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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