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000
CXGM50 PGUM 041520
CLMGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
120 AM CHST FRI OCT 5 2012

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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              93   09/01/1987
                        09/19/1984
                        09/07/1983
 LOW               70   09/13/1992
                        09/03/1992
                        09/17/1972
HIGHEST            90   09/28        MM      MM       90  09/19
                        09/27
                        09/15
LOWEST             75   09/26        MM      MM       73  09/02
                        09/25
                        09/21
AVG. MAXIMUM     87.8              86.7     1.1     85.9
AVG. MINIMUM     77.0              76.2     0.8     76.2
MEAN             82.4              81.4     1.0     81.1
DAYS MAX >= 90      5               0.5     4.5        1
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        16.37   2011
 MINIMUM         8.94   2006
TOTALS          15.98             14.17    1.81    16.37
DAILY AVG.       0.53              0.47    0.06     0.55
DAYS >= .01        23              25.0    -2.0       26
DAYS >= .10        20              19.0     1.0       20
DAYS >= .50        13               9.1     3.9        9
DAYS >= 1.00        5               4.3     0.7        5
GREATEST
 24 HR. TOTAL    2.13   09/18 TO 09/18           09/02 TO 09/02
                                                          09/30 TO 09/30
                                                          09/30 TO 09/30
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    09/02(00) TO 09/02(00)
                                                 09/30(00) TO 09/30(00)0
                                                 09/30(00) TO 09/30(00)0

DEGREE_DAYS
COOLING TOTAL     531               493      38      489
 SINCE 1/1       4699              4480     219     4784

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.5
RESULTANT WIND SPEED/DIRECTION   4/088
HIGHEST WIND SPEED/DIRECTION    24/060    DATE  09/21
HIGHEST GUST SPEED/DIRECTION    31/060    DATE  09/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     82

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN               15     RAIN                       9
LIGHT RAIN               20     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

$$