Climatological Report (Monthly)
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052
CXCA52 TJSJ 050410
CLMISX


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1209 AM AST THU OCT 5 2017

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

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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   09/14/1983
                        09/15/1972
                        09/12/1972
 LOW               63   09/05/1979
HIGHEST            90   09/12        92      -2       93  09/04
                        09/11
                        09/05
LOWEST             71   09/15        81     -10       72  09/21
                        09/14
AVG. MAXIMUM     88.4              89.0    -0.6     89.0
AVG. MINIMUM     76.8              77.3    -0.5     76.0
MEAN             82.6              83.1    -0.5     82.5
DAYS MAX >= 90      7               9.0    -2.0       13
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        19.15   1996
 MINIMUM         1.07   1981
TOTALS          11.04              4.86    6.18     4.18
DAILY AVG.       0.61              0.16    0.45     0.14
DAYS >= .01        13              15.3    -2.3       20
DAYS >= .10         7               8.3    -1.3       11
DAYS >= .50         4               2.1     1.9        2
DAYS >= 1.00        4               0.9     3.1        0
GREATEST
 24 HR. TOTAL    4.06   09/19 TO 09/19

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
COOLING TOTAL     285               544    -259      534
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    61/040    DATE  09/19
HIGHEST GUST SPEED/DIRECTION    92/050    DATE  09/19

SKY COVER
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     83

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       3
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

$$





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