Climatological Report (Monthly)
Issued by NWS Des Moines, IA

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000
CXUS53 KDMX 011255
CLMDSM

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
753 AM CDT FRI SEP 1 2017

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

...THE DES MOINES IA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1878 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             110   08/04/1918
 LOW               40   08/20/1950
                        08/24/1891
HIGHEST            90   08/01        96      -6       95  08/04
LOWEST             53   08/04        53       0       57  08/21
AVG. MAXIMUM     82.8              83.8    -1.0     84.6
AVG. MINIMUM     61.6              64.8    -3.2     67.5
MEAN             72.2              74.3    -2.1     76.0
DAYS MAX >= 90      1               5.5    -4.5        6
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        13.68   1977
 MINIMUM         0.14   1909
TOTALS           3.50              4.13   -0.63     5.64
DAILY AVG.       0.11              0.13   -0.02     0.18
DAYS >= .01        12               9.1     2.9       14
DAYS >= .10         5               6.4    -1.4       10
DAYS >= .50         2               2.7    -0.7        4
DAYS >= 1.00        1               1.3    -0.3        1

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.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   08/31 TO 08/31

DEGREE_DAYS
HEATING TOTAL       0                 5      -5        0
 SINCE 7/1          0                 6      -6        0
COOLING TOTAL     232               293     -61      352
 SINCE 1/1       1080               939     141     1197
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
HIGHEST WIND SPEED/DIRECTION    33/360    DATE  08/21
HIGHEST GUST SPEED/DIRECTION    42/360    DATE  08/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       3
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      0
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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