Climatological Report (Monthly)
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000
CXCA52 TJSJ 072126
CLMISX


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
526 PM AST SUN JAN 7 2018

...................................

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE YEAR OF 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1951 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              98   10/01/1972
 LOW               60   03/29/1977
HIGHEST            94   08/01        95      -1       94  08/30
LOWEST             61   01/19        65      -4       66  02/03
AVG. MAXIMUM     87.2              86.6     0.6     87.7
AVG. MINIMUM     75.3              75.4    -0.1     75.6
MEAN             81.2              81.0     0.2     81.6
DAYS MAX >= 90     75              38.8    36.2       88
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          42.10             38.67    3.43    35.22
DAILY AVG.       0.14              0.11    0.03     0.10
DAYS >= .01       141             174.0   -33.0      164
DAYS >= .10        56              82.0   -26.0       72
DAYS >= .50        18              18.8    -0.8       17
DAYS >= 1.00       13               6.8     6.2        7
GREATEST
 24 HR. TOTAL    4.06   MM

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
COOLING TOTAL    4682              5833   -1151     6020
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION   9999MM/    DATE  10/16
HIGHEST GUST SPEED/DIRECTION    92/050    DATE  09/19

SKY COVER
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               38     RAIN                      34
LIGHT RAIN              152     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                     117     FOG W/VIS <= 1/4 MILE      1
HAZE                     46

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$




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