Climatological Report (Monthly)
Issued by NWS
Issued by NWS
564
CXCA52 TJSJ 010908
CLMISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
508 AM AST SAT AUG 01 2026
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF JULY 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 94 07/28/2020
07/27/2020
07/20/1972
LOW 64 07/05/1998
HIGHEST 92 07/08 92 0 91
07/25
LOWEST 76 07/21 81 -5 75
AVG. MAXIMUM 90.2 89.2 1.0 88.5
AVG. MINIMUM 79.3 77.3 2.0 77.1
MEAN 84.8 83.2 1.6 82.8
DAYS MAX >= 90 22 14.5 7.5 5
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 7.62 1958
MINIMUM 0.49 1976
TOTALS 0.04R 2.64 -2.60 MM
DAILY AVG. 0.00 0.09 -0.09 MM
DAYS >= .01 1 16.7 -15.7 MM
DAYS >= .10 0 6.6 -6.6 MM
DAYS >= .50 0 1.6 -1.6 MM
DAYS >= 1.00 0 0.4 -0.4 MM
GREATEST
24 HR. TOTAL 0.04 07/21 TO 07/21
STORM TOTAL 0.04
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0
COOLING TOTAL 581 566 15 558
SINCE 1/1 3355
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 13.3
HIGHEST WIND SPEED/DIRECTION 29/090 DATE 07/07
HIGHEST GUST SPEED/DIRECTION 40/100 DATE 07/07
SKY COVER
AVERAGE SKY COVER 0.29
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 5 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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