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

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804
CXUS53 KDMX 011336
CLMDSM

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
834 AM CDT MON OCT 1 2018

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

...THE DES MOINES IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER
2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1878 TO 2018

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            91   09/20        91       0       MM  MM
                        09/17
                        09/15
LOWEST             42   09/29        38       4       MM  MM
AVG. MAXIMUM     76.5              76.1     0.4       MM
AVG. MINIMUM     58.5              55.2     3.3       MM
MEAN             67.5              65.6     1.9       MM
DAYS MAX >= 90      3               1.4     1.6       MM
DAYS MAX <= 32      0               0.0     0.0       MM
DAYS MIN <= 32      0               0.1    -0.1       MM
DAYS MIN <= 0       0               0.0     0.0       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        14.81   1914
 MINIMUM         0.15   1882
TOTALS           8.32              3.05    5.27       MM
DAILY AVG.       0.28              0.10    0.18       MM
DAYS >= .01        14               8.4     5.6       MM
DAYS >= .10        11               5.3     5.7       MM
DAYS >= .50         7               1.9     5.1       MM
DAYS >= 1.00        3               0.7     2.3       MM

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   5
                        0
                        -26215
TOTALS            0.0               0.0     0.0       MM
SINCE 7/1         0.0               0.0     0.0       MM
SNOWDEPTH AVG.      0                MM      MM       MM
DAYS >= 1.0         0               0.0     0.0       MM
GREATEST
 SNOW DEPTH         0   MM                            MM  MM
 24 HR TOTAL      0.0   09/30 TO 09/30

DEGREE_DAYS
HEATING TOTAL      86                94      -8       MM
 SINCE 7/1         86               100     -14       MM
COOLING TOTAL     166               113      53       MM
 SINCE 1/1       1433              1052     381       MM
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    35/050    DATE  09/18
HIGHEST GUST SPEED/DIRECTION    47/320    DATE  09/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  8
  0
  0
  0
  0
  1
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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