Climatological Report (Monthly)
Issued by NWS
Issued by NWS
720
CXCA52 TJSJ 051410
CLMISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
1010 AM AST THU FEB 05 2026
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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 92 01/30/1973
LOW 61 01/19/2017
01/21/2000
01/20/2000
HIGHEST 88 01/17 87 1 89
LOWEST 68 01/08 75 -7 67
AVG. MAXIMUM 85.4 84.2 1.2 86.4
AVG. MINIMUM 72.4 71.2 1.2 73.3
MEAN 78.9 77.7 1.2 79.9
DAYS MAX >= 90 0 0.0 0.0 0
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 7.35 1963
MINIMUM 0.07 2026
TOTALS MM 1.94 MM 0.72
DAILY AVG. MM 0.06 MM T
DAYS >= .01 MM 15.8 MM 8
DAYS >= .10 MM 5.8 MM 2
DAYS >= .50 MM 0.5 MM 0
DAYS >= 1.00 MM 0.2 MM 0
GREATEST
24 HR. TOTAL MM
STORM TOTAL MM
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0
COOLING TOTAL 439 394 45 424
SINCE 1/1 439
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 9.4
HIGHEST WIND SPEED/DIRECTION 29/090 DATE 01/17
29/080 01/22
HIGHEST GUST SPEED/DIRECTION 41/080 DATE 01/21
SKY COVER
AVERAGE SKY COVER 0.28
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 2
LIGHT RAIN 3 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 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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