Climatological Report (Monthly)
Issued by NWS Honolulu, HI

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
169
CXHW50 PHFO 011625
CLMHNL


CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
625 AM HST SUN OCT 1 2017

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

...THE HONOLULU HI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1946 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              95   09/19/1994
 LOW               66   09/12/1985
                        09/04/1985
                        09/22/1975
HIGHEST            91   09/06        89       2       90  09/01
LOWEST             72   09/03        74      -2       71  09/21
AVG. MAXIMUM     88.5              88.6    -0.1     86.5
AVG. MINIMUM     74.8              74.4     0.4     74.6
MEAN             81.7              81.5     0.2     80.6
DAYS MAX >= 90      6               5.8     0.2        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         4.48   2015
 MINIMUM         0.05   1977
TOTALS           0.10              0.70   -0.60     2.92
DAILY AVG.       0.00              0.02   -0.02     0.10
DAYS >= .01         2               6.9    -4.9       14
DAYS >= .10         0               2.1    -2.1        4
DAYS >= .50         0               0.2    -0.2        2
DAYS >= 1.00        0               0.1    -0.1        2
GREATEST
 24 HR. TOTAL    0.05   09/10 TO 09/10              2.25
                        09/09 TO 09/09

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.     MM                MM      MM        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH        MM                                  0  MM
 24 HR TOTAL      0.0   09/30 TO 09/30               0.0

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
 SINCE 7/1          0                 0       0        0
COOLING TOTAL     508               495      13      472
 SINCE 1/1       3561              3479      82     3587
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
HIGHEST WIND SPEED/DIRECTION    29/060    DATE  09/18
HIGHEST GUST SPEED/DIRECTION    35/060    DATE  09/17

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

AVERAGE RH (PERCENT)     MM

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

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

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.