Climatological Report (Monthly)
Issued by NWS
Issued by NWS
715
CXCA52 TJSJ 031514
CLMISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
1114 AM AST THU SEP 03 2026
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 96 08/14/2023
08/14/2023
08/14/2023
LOW 63 08/17/1978
HIGHEST MM 91 MM 93
LOWEST MM 81 MM 75
AVG. MAXIMUM MM 89.5 MM 89.8
AVG. MINIMUM MM 77.4 MM 78.2
MEAN MM 83.4 MM 84.0
DAYS MAX >= 90 MM 16.3 MM 18
DAYS MAX <= 32 MM 0.0 MM 0
DAYS MIN <= 32 MM 0.0 MM 0
DAYS MIN <= 0 MM 0.0 MM 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 11.41 1979
MINIMUM 0.00 2025
TOTALS MM 3.23 MM 0.00
DAILY AVG. MM 0.10 MM 0.00
DAYS >= .01 MM 15.6 MM MM
DAYS >= .10 MM 7.1 MM MM
DAYS >= .50 MM 1.8 MM MM
DAYS >= 1.00 MM 0.5 MM MM
GREATEST
24 HR. TOTAL MM
STORM TOTAL MM
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0
COOLING TOTAL MM 572 MM 576
SINCE 1/1 3727
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 12.7
HIGHEST WIND SPEED/DIRECTION 33/090 DATE 08/15
HIGHEST GUST SPEED/DIRECTION 49/100 DATE 08/15
SKY COVER
AVERAGE SKY COVER 0.29
AVERAGE RH (PERCENT) MM
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 3
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 2 FOG W/VIS <= 1/4 MILE 0
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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