004  
CXUS53 KDTX 051911 CCA  
CLMDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1112 AM EST MON FEB 5 2018  
   
...............................
 
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1874 TO 2018  
 
WEATHER OBSERVED NORMAL DEPART  
VALUE DATE(S) VALUE FROM  
NORMAL    
............................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 67 01/25/1950  
LOW -21 01/21/1984  
HIGHEST 57 01/11 MM MM  
LOWEST -6 01/07 MM MM  
AVG. MAXIMUM 32.5 32.0 0.5  
AVG. MINIMUM 16.6 19.1 -2.5  
MEAN 24.5 25.6 -1.1  
DAYS MAX >= 90 0 0.0 0.0  
DAYS MAX <= 32 16 15.7 0.3  
DAYS MIN <= 32 28 26.7 1.3  
DAYS MIN <= 0 6 2.0 4.0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 5.02 1932  
MINIMUM 0.23 1961  
TOTALS 1.36 1.96 -0.60  
DAILY AVG. 0.04 0.06 -0.02  
DAYS >= .01 10 13.1 -3.1  
DAYS >= .10 5 5.6 -0.6  
DAYS >= .50 0 0.9 -0.9  
DAYS >= 1.00 0 0.1 -0.1  
GREATEST  
24 HR. TOTAL 0.40 01/22 TO 01/22  
STORM TOTAL MM  
(MM/DD(HH)) MM  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 39.1 2014  
TOTALS 9.2 12.5 -3.3  
LIQUID EQUIV 0.92 1.20 -0.28  
SINCE 7/1 31.7 23.7 8.0  
LIQUID 7/1 3.17  
DAYS >= TRACE 16 10.4 5.6  
DAYS >= 1.0 3 3.7 -0.7  
GREATEST  
SNOW DEPTH 8 01/08  
24 HR TOTAL 3.4 01/29 TO 01/29  
STORM TOTAL MM  
(MM/DD(HH)) MM  
 
DEGREE_DAYS  
HEATING TOTAL 1246 1223 23  
SINCE 7/1 3490 3520 -30  
COOLING TOTAL 0 0 0  
SINCE 1/1 0 0 0  
 
FREEZE DATES  
RECORD  
EARLIEST MM  
LATEST MM  
EARLIEST 01/01 MM  
LATEST MM    
.............................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 11.0  
HIGHEST WIND SPEED/DIRECTION 31/220 DATE 01/31  
HIGHEST GUST SPEED/DIRECTION 39/220 DATE 01/27  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.80  
NUMBER OF DAYS FAIR 2  
NUMBER OF DAYS PC 10  
NUMBER OF DAYS CLOUDY 19  
 
AVERAGE RH (PERCENT) 74  
 
 
- 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 - JANUARY 2018  
   
..TEMPERATURE DATA... ...PRECIPITATION DATA
 
 
AVERAGE MAXIMUM...29.2 MONTHLY TOTAL..........2.00  
AVERAGE MINIMUM...11.4 GREATEST DAILY TOTAL...0.54  
MONTHLY AVERAGE...20.3 ON THE 12TH  
2018 TOTAL.............2.00  
   
..HEATING DEGREE DAYS... ...SNOWFALL DATA
 
 
MONTHLY TOTAL............1380 MONTHLY TOTAL............15.5  
2017-2018 SEASON TOTAL...4195 2017-2018 SEASON TOTAL...40.3  
   
..COOLING DEGREE DAYS
 
 
MONTHLY TOTAL...0  
2018 TOTAL......0  
 
================================================================  
SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR JANUARY 2018  
 
JANUARY 2018 MONTHLY STATISTICS AND RANKINGS  
-----------------------------------------------------------------  
 
SNOWFALL  
ACTUAL NORMAL DEPARTURE RANKING  
DETROIT AREA 9.2" 12.5" -3.3" 69TH LEAST SNOWY  
FLINT AREA 20.2" 13.1" +7.1" 10TH SNOWIEST  
SAGINAW 4.4" 11.9" -7.5" 20TH LEAST SNOWY  
 
SNOW YEAR SINCE JULY 1*  
 
ACTUAL NORMAL DEPARTURE RANKING  
DETROIT AREA 31.7" 23.7" +8.0" 22ND SNOWIEST  
FLINT AREA 43.9" 27.8" +16.1" 8TH SNOWIEST  
SAGINAW 17.6" 24.8" -7.2" 37TH LEAST SNOWY  
 
*NORMAL TO DATE (AS OF JANUARY 31, 2018)  
 
PRECIPITATION  
ACTUAL NORMAL DEPARTURE RANKING  
DETROIT AREA 1.36" 1.96" -0.60" 40TH DRIEST  
FLINT AREA 1.86" 1.63" +0.23" 41ST WETTEST  
SAGINAW 1.48" 2.46 -0.98" 41ST DRIEST  
 
WATER YEAR SINCE JANUARY 1*  
 
PRECIPITATION  
ACTUAL NORMAL DEPARTURE RANKING  
DETROIT AREA 1.36" 1.96" -0.60" 40TH DRIEST  
FLINT AREA 1.86" 1.63" +0.23" 41ST WETTEST  
SAGINAW 1.48" 2.46 -0.98" 41ST DRIEST  
 
*NORMAL TO DATE (AS OF JANUARY 31, 2018)  
 
AVERAGE TEMPERATURE  
ACTUAL NORMAL DEPARTURE RANKING  
DETROIT AREA 24.5 25.6 -1.1 69TH COLDEST  
FLINT AREA 22.5 22.4 +0.1 48TH WARMEST  
SAGINAW 23.0 22.2 +0.8 45TH WARMEST  
 
AVERAGE HIGH TEMPERATURE  
ACTUAL NORMAL DEPARTURE RANKING  
DETROIT AREA 32.5 32.0 +0.5 58TH WARMEST  
FLINT AREA 31.3 29.6 +1.7 39TH WARMEST  
SAGINAW 30.9 28.9 +2.0 34TH WARMEST  
 
AVERAGE LOW TEMPERATURE  
ACTUAL NORMAL DEPARTURE RANKING  
DETROIT AREA 16.6 19.1 -2.5 60TH COLDEST  
FLINT AREA 13.8 15.3 -1.5 41ST COLDEST  
SAGINAW 15.1 15.6 -0.5 53RD COLDEST  
 
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 1913  
 
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