Climatological Report (Annual)
Issued by NWS
Issued by NWS
000
CXCA42 TJSJ 021222
CLAISX
SJUCLAISX 000
TTAA00 SJU 010746
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
345 AM AST FRI JAN 01 2021
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE YEAR OF 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1951 TO 2020
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 98 10/01/1972
LOW 49 05/07/2020
HIGHEST 95 08/18 95 0 93
08/17
LOWEST 67 02/24 65 2 68
02/23
AVG. MAXIMUM 88.3
AVG. MINIMUM 75.9
MEAN 82.1 81.0 1.1 81.4
DAYS MAX >= 90 154 39.0 115.0
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 61.10 1979
MINIMUM 21.61 2002
TOTALS 30.31 38.67 -8.36 23.89
DAILY AVG. 0.08 0.11 -0.03 0.07
DAYS >= .01 167 174.0 -7.0 107
DAYS >= .10 70 82.0 -12.0 46
DAYS >= .50 18 18.8 -0.8 12
DAYS >= 1.00 5 6.8 -1.8 5
GREATEST
24 HR. TOTAL 2.01 08/22 TO 08/22 3.70
STORM TOTAL 1.40
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0
COOLING TOTAL 5600 5833 -233 6038
SINCE 1/1 5600
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 10.4
HIGHEST WIND SPEED/DIRECTION 36/100 DATE 10/01
HIGHEST GUST SPEED/DIRECTION 46/130 DATE 10/01
SKY COVER
AVERAGE SKY COVER 0.36
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 36 RAIN 54
LIGHT RAIN 162 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 83 FOG W/VIS <= 1/4 MILE 0
HAZE 87
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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