Climatological Report (Monthly)
Issued by NWS Tiyan, Guam

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CXGM50 PGUM 041520
CLMGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
120 AM CHST TUE FEB 5 2019

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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   01/09/1989
 LOW               66   01/18/2000
HIGHEST            90   01/02        MM      MM       90  01/19
                                                          01/09
LOWEST             73   01/28        MM      MM       72  01/29
                        01/07                             01/07
AVG. MAXIMUM     86.6              84.9     1.7     87.9
AVG. MINIMUM     76.3              75.5     0.8     77.0
MEAN             81.5              80.2     1.3     82.5
DAYS MAX >= 90      1               0.0     1.0        2
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           MM   MM
 MINIMUM           MM   MM
TOTALS           4.24              4.96   -0.72     0.94
DAILY AVG.       0.14              0.16   -0.02     0.03
DAYS >= .01        18              20.3    -2.3       11
DAYS >= .10        11               9.9     1.1        4
DAYS >= .50         2               2.4    -0.4        0
DAYS >= 1.00        1               0.8     0.2        0
GREATEST
 24 HR. TOTAL    1.04   01/25 TO 01/25           01/21 TO 01/21
                                                          01/31 TO 01/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          01/31 TO 01/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    01/21(00) TO 01/21(00)
                                                 01/31(00) TO 01/31(00)1EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                 01/31(00) TO 01/31(00)1EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL       MM
 SNOW DEPTH        MM   MM
TOTALS            0.0               0.0     0.0      0.0
 LIQUID EQUIV    0.00              0.00    0.00     0.00
SINCE 7/1         0.0               0.0     0.0      0.0
 LIQUID 7/1      0.00              0.00    0.00     0.00
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   01/31 TO 01/31           01/31 TO 01/31
                                                          01/31 TO 01/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          01/31 TO 01/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    01/31(00) TO 01/31(00)
                                                 01/31(00) TO 01/31(00)1EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                 01/31(00) TO 01/31(00)1EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
 SINCE 7/1          0                 0       0        0
COOLING TOTAL     517               471      46      550
 SINCE 1/1        517               468      49      550

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

WIND (MPH)
AVERAGE WIND SPEED              13.6
RESULTANT WIND SPEED/DIRECTION  13/053
HIGHEST WIND SPEED/DIRECTION    30/040    DATE  01/04
HIGHEST GUST SPEED/DIRECTION    36/040    DATE  01/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     83

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
 14
  0
  0
  0
  0
  0
HAZE                      7

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

$$


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