Climatological Report (Monthly)
Issued by NWS
Issued by NWS
849
CXCA52 TJSJ 011231
CLMISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
831 AM AST TUE OCT 01 2024
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 97 09/09/2023
09/09/2023
LOW 63 09/05/1979
HIGHEST 93 09/25 92 1 97
LOWEST 73 09/11 81 M8 78
AVG. MAXIMUM 90.8 89.0 1.8 94.9
AVG. MINIMUM 78.8 76.6 2.2 80.5
MEAN 84.8 82.8 2.0 87.7
DAYS MAX >= 90 27 12.6 14.4 30
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 3.71 4.89 M1.18 0.76
DAILY AVG. 0.12 0.16 M0.04 0.03
DAYS >= .01 14 15.7 M1.7 12
DAYS >= .10 11 8.3 2.7 3
DAYS >= .50 1 2.2 M1.2 0
DAYS >= 1.00 1 0.7 0.3 0
GREATEST
24 HR. TOTAL 1.14 09/10 TO 09/10
STORM TOTAL 1.14
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0
COOLING TOTAL 604 534 70 688
SINCE 1/1 4380
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 8.0
HIGHEST WIND SPEED/DIRECTION 25/070 DATE 09/02
25/100 09/03
HIGHEST GUST SPEED/DIRECTION 36/070 DATE 09/02
SKY COVER
AVERAGE SKY COVER 0.22
AVERAGE RH (PERCENT) 80
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 1
HEAVY RAIN 7 RAIN 7
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 1
HAZE 4
M INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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