Climatological Report (Monthly)
Issued by NWS

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CXUS53 KDTX 171937 AAA
CLMMBS

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
451 AM EDT WED OCT 4 2017

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

...THE  TRI CITIES MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            95   09/23        MM      MM
LOWEST             41   09/30        MM      MM
AVG. MAXIMUM     77.9              72.1     5.8
AVG. MINIMUM     53.4              50.5     2.9
MEAN             65.6              61.3     4.3
DAYS MAX >= 90      6               0.3     5.7
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.1    -0.1
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
TOTALS           0.44              3.83   -3.39
DAILY AVG.       0.01              0.13   -0.12
DAYS >= .01         7              10.4    -3.4
DAYS >= .10         2               6.2    -4.2
DAYS >= .50         0               2.6    -2.6
DAYS >= 1.00        0               1.0    -1.0
GREATEST
 24 HR. TOTAL    0.16   09/07 TO 09/07
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0
 LIQUID EQUIV    0.00              0.00    0.00
SINCE 7/1         0.0               0.0     0.0
 LIQUID 7/1      0.00
DAYS >= TRACE       0               0.0     0.0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   09/30 TO 09/30
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     102               159     -57
 SINCE 7/1        124               199     -75
COOLING TOTAL     126                48      78
 SINCE 1/1        644               552      92

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
HIGHEST WIND SPEED/DIRECTION    32/360    DATE  09/29
HIGHEST GUST SPEED/DIRECTION    44/360    DATE  09/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       0
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      1
HAZE                      4

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

$$
================================================================
       SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR SEPTEMBER 2017


SEPTEMBER 2017 MONTHLY STATISTICS AND RANKINGS
-----------------------------------------------------------------
PRECIPITATION
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA    0.91"      3.27"      -2.36"     13TH DRIEST
FLINT AREA      0.84"      3.75"      -2.91"      9TH DRIEST
SAGINAW         0.44"      3.83       -3.39"      2ND DRIEST

WATER YEAR SINCE JANUARY 1*

                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA    26.21"    25.70"      +0.51"     52ND WETTEST
FLINT AREA      26.53"    24.31"      +2.22"     28TH WETTEST
SAGINAW         30.22"    24.35"      +5.87"      7TH WETTEST

      *NORMAL TO DATE (AS OF SEPTEMBER 30, 2017)

AVERAGE TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     67.1      64.4       +2.7       20TH WARMEST
FLINT AREA       63.9      61.1       +2.8       24TH WARMEST
SAGINAW          65.6      61.3       +4.3        9TH WARMEST

AVERAGE HIGH TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     77.2      74.0       +3.2       13TH WARMEST
FLINT AREA       77.4      72.3       +5.4       11TH WARMEST
SAGINAW          77.9      72.9       +5.8        5TH WARMEST

AVERAGE LOW TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     56.9      54.7       +2.2       33RD WARMEST
FLINT AREA       50.3      49.9       +0.4       39TH COLDEST
SAGINAW          53.4      50.5       +2.9       16TH WARMEST


DETROIT AREA HAS A CLIMATE RECORD DATING TO NOVEMBER 1874
FLINT AREA HAS A CLIMATE RECORD DATING TO JANUARY 1921
SAGINAW HAS A CLIMATE RECORD DATING TO 1912


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