Climatological Report (Monthly)
Issued by NWS
Issued by NWS
391
CXCA52 TJSJ 010855
CLMISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
455 AM AST SUN NOV 01 2026
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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 98 10/01/1972
LOW 65 10/23/1983
10/22/1983
10/31/1975
HIGHEST 92 10/06 92 0 90
10/16
LOWEST 76 10/21 80 -4 73
10/22
10/30
AVG. MAXIMUM 90.0 88.4 1.6 88.1
AVG. MINIMUM 78.1 76.0 2.1 77.3
MEAN 84.1 82.2 1.9 82.7
DAYS MAX >= 90 22 10.5 11.5 2
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 16.20 1977
MINIMUM 0.00 2017
TOTALS MM 5.03 MM 0.00
DAILY AVG. MM 0.16 MM 0.00
DAYS >= .01 MM 16.9 MM MM
DAYS >= .10 MM 8.0 MM MM
DAYS >= .50 MM 2.1 MM MM
DAYS >= 1.00 MM 0.9 MM MM
GREATEST
24 HR. TOTAL MM
STORM TOTAL MM
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0
COOLING TOTAL 598 533 65 558
SINCE 1/1 4682
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 8.9
HIGHEST WIND SPEED/DIRECTION 29/120 DATE 10/11
HIGHEST GUST SPEED/DIRECTION 47/120 DATE 10/11
SKY COVER
AVERAGE SKY COVER 0.24
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 4
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 10 FOG W/VIS <= 1/4 MILE 0
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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