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

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000
CXUS53 KDMX 011336 RRA
CLMALO

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

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

...THE WATERLOO IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER
2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             102   09/07/1939
                        09/06/1922
 LOW               19   09/30/1899
HIGHEST            92   09/17        90       2       MM  MM
LOWEST             33   09/29        33       0       MM  MM
AVG. MAXIMUM     74.2              75.3    -1.1       MM
AVG. MINIMUM     53.8              50.7     3.1       MM
MEAN             64.0              63.0     1.0       MM
DAYS MAX >= 90      2               1.4     0.6       MM
DAYS MAX <= 32      0               0.0     0.0       MM
DAYS MIN <= 32      0               0.6    -0.6       MM
DAYS MIN <= 0       0               0.0     0.0       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.63   1941
 MINIMUM         0.42   1953
TOTALS          13.35R             2.63   10.72       MM
DAILY AVG.       0.45              0.09    0.36       MM
DAYS >= .01        12               8.5     3.5       MM
DAYS >= .10        11               5.2     5.8       MM
DAYS >= .50         7               1.9     5.1       MM
DAYS >= 1.00        6               0.5     5.5       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     131               138      -7       MM
 SINCE 7/1        140               158     -18       MM
COOLING TOTAL     110                78      32       MM
 SINCE 1/1        886               790      96       MM
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
HIGHEST WIND SPEED/DIRECTION    40/180    DATE  09/01
HIGHEST GUST SPEED/DIRECTION    54/180    DATE  09/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
 11
  0
  0
  0
  0
  0
HAZE                      3

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

$$


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