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

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CXUS53 KDMX 011235
CLMDSM

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
729 AM CDT SUN OCT 1 2017

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

...THE DES MOINES IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER
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             101   09/09/2013
                        09/07/1939
                        09/03/1939
 LOW               26   09/28/1942
                        09/30/1899
HIGHEST            94   09/15        91       3       93  09/21
                                                          09/06
LOWEST             47   09/07        38       9       50  09/27
                        09/06                             09/26
AVG. MAXIMUM     82.1              76.1     6.0     80.8
AVG. MINIMUM     59.6              55.2     4.4     61.9
MEAN             70.8              65.6     5.2     71.4
DAYS MAX >= 90      5               1.4     3.6        4
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.1    -0.1        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        14.81   1914
 MINIMUM         0.15   1882
TOTALS           2.84              3.05   -0.21     5.50
DAILY AVG.       0.09              0.10   -0.01     0.18
DAYS >= .01         6               8.4    -2.4        9
DAYS >= .10         4               5.3    -1.3        7
DAYS >= .50         2               1.9     0.1        6
DAYS >= 1.00        1               0.7     0.3        2

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   5
                        0
                        -26215
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   09/30 TO 09/30

DEGREE_DAYS
HEATING TOTAL      22                94     -72       21
 SINCE 7/1         22               100     -78       21
COOLING TOTAL     207               113      94      217
 SINCE 1/1       1287              1052     235     1414
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    26/170    DATE  09/21
HIGHEST GUST SPEED/DIRECTION    35/160    DATE  09/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       5
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

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

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