Climatological Report (Monthly)
Issued by NWS Detroit/Pontiac, MI

000
CXUS53 KDTX 041946
CLMDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
246 PM EST THU JAN 04 2024

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

...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             69   12/06/1998
 LOW             -11   12/29/1880
HIGHEST           64   12/09         MM      MM
LOWEST            22   12/13         MM      MM
AVG. MAXIMUM    45.1               37.2     7.9
AVG. MINIMUM    35.1               25.3     9.8
MEAN            40.1               31.3     8.8
DAYS MAX >= 90     0                0.0     0.0
DAYS MAX <= 32     0                9.5    -9.5
DAYS MIN <= 32    11               24.2   -13.2
DAYS MIN <= 0      0                0.3    -0.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.19   1967
 MINIMUM        0.42   1900
TOTALS          2.27               2.25    0.02
DAILY AVG.      0.07               0.07   -0.00
DAYS >= .01       16               13.1     2.9
DAYS >= .10        7                5.4     1.6
DAYS >= .50        1                1.4    -0.4
DAYS >= 1.00       0                0.1    -0.1
GREATEST
 24 HR. TOTAL   0.56   12/01 TO 12/01

SNOWFALL (INCHES)
RECORDS
 TOTAL          34.9   1974
TOTALS           0.1                8.9    -8.8
 LIQUID EQUIV   0.00               0.80   -0.80
SINCE 7/1        2.5               10.8    -8.3
 LIQUID 7/1     0.25
DAYS >= TRACE      6                8.0    -2.0
DAYS >= 1.0        0                2.7    -2.7
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL     0.1   12/18 TO 12/18

DEGREE DAYS
HEATING TOTAL    765               1046    -281
 SINCE 7/1      1862               2239    -377
COOLING TOTAL      0                  0       0
 SINCE 1/1       742                847    -105

FREEZE DATES
RECORD
 EARLIEST     09/22 (1974)
 LATEST       05/29 (1966)
EARLIEST      10/30 (2023)
LATEST        04/26 (2023)
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
HIGHEST WIND SPEED/DIRECTION    28/300    DATE  12/18
HIGHEST GUST SPEED/DIRECTION    40/220    DATE  12/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.87
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         25

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                6     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      3
HAZE                      2

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

$$
---------------------------------------------------------------
MONTHLY CLIMATE DATA FOR NWS WHITE LAKE - DECEMBER 2023

...TEMPERATURE DATA...              ...PRECIPITATION DATA...
AVERAGE MAXIMUM.........42.9        MONTHLY TOTAL..........2.80
AVERAGE MINIMUM.........32.1        GREATEST DAILY TOTAL...0.61
MONTHLY AVERAGE.........37.5         ON THE 1ST
                                    2023 TOTAL............37.97
...HEATING DEGREE DAYS...
MONTHLY TOTAL............848        ...SNOWFALL DATA...
2023-2024 SEASON TOTAL..2241        MONTHLY TOTAL...........2.8
                                    2023-2024 SEASON TOTAL..6.4
...COOLING DEGREE DAYS...
MONTHLY TOTAL..............0
2023 TOTAL...............403

================================================================
       SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR DECEMBER 2023

DECEMBER 2023 MONTHLY STATISTICS AND RANKINGS
-----------------------------------------------------------------

SNOWFALL
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     0.1"       8.9"       -8.8"      2ND LEAST SNOWY
FLINT AREA       1.8"      11.4"       -9.6"      5TH LEAST SNOWY
SAGINAW AREA     2.1"      11.8"       -9.7"      7TH LEAST SNOWY

SNOWFALL SINCE JULY 1*
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     2.5"      10.8"       -8.3"      8TH LEAST SNOWY
FLINT AREA       4.5"      15.0"      -10.5"      8TH LEAST SNOWY
SAGINAW AREA     3.6"      15.3"      -11.7"      8TH LEAST SNOWY

      *NORMAL TO DATE (AS OF DECEMBER 31, 2023)

PRECIPITATION
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     2.27"     2.25"      +0.02"     74TH DRIEST
FLINT AREA       2.01"     1.89"      +0.12"     43RD WETTEST
SAGINAW AREA     1.73"     1.85"      -0.12"     50TH DRIEST

PRECIPITATION SINCE JANUARY 1*
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA    36.65"    34.32"      +2.33"     33RD WETTEST
FLINT AREA      34.66"    31.97"      +2.69"     27TH WETTEST
SAGINAW AREA    34.75"    32.12"      +2.63"     20TH WETTEST

      *NORMAL TO DATE (AS OF DECEMBER 31, 2023)

AVERAGE TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     40.1      31.3       +8.8        3RD WARMEST
FLINT AREA       39.2      28.7      +10.5        2ND WARMEST
SAGINAW AREA     38.0      28.9       +9.1        2ND WARMEST

AVERAGE HIGH TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     45.1      37.2       +7.9        4TH WARMEST
FLINT AREA       44.4      34.9       +9.5        2ND WARMEST
SAGINAW AREA     43.0      34.7       +8.3        2ND WARMEST

AVERAGE LOW TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     35.1      25.3       +9.8        2ND WARMEST
FLINT AREA       33.9      22.5      +11.4        2ND WARMEST
SAGINAW AREA     33.1      23.1      +10.0        1ST WARMEST


DETROIT AREA HAS A CLIMATE RECORD DATING TO NOVEMBER 1874 (~150 YEARS)
FLINT AREA HAS A CLIMATE RECORD DATING TO JANUARY 1921 (~103 YEARS)
SAGINAW AREA HAS CLIMATE RECORD DATING TO JANUARY 1912 (~112 YEARS)