Climatological Report (Monthly)
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000
CXCA52 TJSJ 010511
CLMISX


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
110 AM AST FRI SEP 1 2017

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1951 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              95   08/25/1999
                        08/19/1972
 LOW               63   08/17/1978
HIGHEST            94   08/01        91       3       94  08/30
LOWEST             74   08/08        81      -7       75  08/21
                        08/07                             08/10
                                                          08/05
AVG. MAXIMUM     90.5              89.2     1.3     90.5
AVG. MINIMUM     78.4              78.4     0.0     78.7
MEAN             84.4              83.8     0.6     84.6
DAYS MAX >= 90     26              10.1    15.9       25
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        11.41   1979
 MINIMUM         1.35   2005
TOTALS           5.10              3.15    1.95     2.87
DAILY AVG.       0.16              0.11    0.05     0.09
DAYS >= .01        18              15.6     2.4        9
DAYS >= .10         9               7.9     1.1        5
DAYS >= .50         3               1.8     1.2        1
DAYS >= 1.00        1               0.5     0.5        1
GREATEST
 24 HR. TOTAL    1.64   08/07 TO 08/07

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
COOLING TOTAL     611               583      28      614
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
HIGHEST WIND SPEED/DIRECTION    29/080    DATE  08/16
HIGHEST GUST SPEED/DIRECTION    38/030    DATE  08/07

SKY COVER
AVERAGE SKY COVER           0.30

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       3
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

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

$$



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