RSS FeedsIssued by NWS Detroit/Pontiac, MI
000
CXUS53 KDTX 012133
CLMDTW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
530 PM EDT WED APR 1 2009
...................................
...THE DETROIT CLIMATE SUMMARY FOR THE MONTH OF MARCH 2009...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1870 TO 2009
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 82 03/28/1945
LOW -7 03/05/1872
HIGHEST 69 03/17 MM MM
LOWEST 7 03/03 MM MM
AVG. MAXIMUM 48.7 45.2 3.5
AVG. MINIMUM 28.6 28.5 0.1
MEAN 38.7 36.9 1.8
DAYS MAX >= 90 0 0.0 0.0
DAYS MAX <= 32 4 4.1 -0.1
DAYS MIN <= 32 22 21.7 0.3
DAYS MIN <= 0 0 0.1 -0.1
PRECIPITATION (INCHES)
RECORDS
MAXIMUM 5.63 1913
MINIMUM 0.38 1910
TOTALS 4.17 2.52 1.65
DAILY AVG. 0.13 0.08 0.05
DAYS >= .01 7 MM MM
DAYS >= .10 6 MM MM
DAYS >= .50 4 MM MM
DAYS >= 1.00 1 MM MM
GREATEST
24 HR. TOTAL 1.06 03/07 TO 03/07
STORM TOTAL MM
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
MAXIMUM 30.2 1900
MINIMUM T 1946
TOTALS 1.0 7.0 -6.0
LIQUID EQUIV 0.10 0.70 -0.60
SINCE 7/1 58.3 42.3 16.0
LIQUID 7/1 5.83
DAYS >= TRACE 4 5.5 -1.5
DAYS >= 1.0 1 2.1 -1.1
GREATEST
SNOW DEPTH 1 03/30
24 HR TOTAL 1.0 03/29 TO 03/29
STORM TOTAL MM
(MM/DD(HH)) MM
DEGREE_DAYS
HEATING TOTAL 808 886 -78
SINCE 7/1 5694 5630 64
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST MM
LATEST MM
.................................................
WIND (MPH)
AVERAGE WIND SPEED 8.3
HIGHEST WIND SPEED/DIRECTION 37/250 DATE 03/09
HIGHEST GUST SPEED/DIRECTION 47/260 DATE 03/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 9
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 12
AVERAGE RH (PERCENT) 63
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 6
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 4 SLEET 1
FOG 15 FOG W/VIS <= 1/4 MILE 2
HAZE 11
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
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CLIMATOLOGICAL STATISTICS FOR THE NWS WHITE LAKE - MARCH 2009
...TEMPERATURE DATA... ...PRECIPITATION DATA...
AVERAGE MAXIMUM.... 46.2 MONTHLY TOTAL ........... 3.61
AVERAGE MINIMUM.... 24.5 GREATEST IN 24HRS........ 1.11
MONTHLY AVERAGE.... 35.4 ON THE 7TH
2009 TOTAL............... 7.85
...HEATING DEGREE DAYS... ...SNOWFALL DATA...
MONTHLY TOTAL......... 930 MONTHLY TOTAL............ 2.0
2008-09 SEASON TOTAL..5598 2008-09 SEASON TOTAL..... 79.6
...COOLING DEGREE DAYS...
MONTHLY TOTAL.......... 0
2009 TOTAL............. 0
==================================================================
CLIMATOLOGICAL SUMMARY FOR DETROIT - MARCH 2009
...BUSY STORM TRACK BRINGS ANOTHER WET BUT THIS TIME SNOWLESS MONTH...
...FLOODING RETURNS EARLY-MID MARCH...
...11TH WETTEST MARCH ON RECORD BUT 9TH SNOWLESS...
...TEMPERATURES CYCLED ROUTINELY FROM BELOW NORMAL TO ABOVE BUT AT
MONTH`S END...AVERAGED ABOVE...
***DOMINANT TEMPERATURE/RAIN TREND...NEAR NORMAL/ABOVE NORMAL***
SOUTHEAST LOWER MICHIGAN SAW ANOTHER WET MONTH IN MARCH WITH FREQUENT BOUTS
OF STORMY WEATHER MOVING THROUGH THE REGION. AFTER SUCH A STORMY AND SNOWY
WINTER...MARCH DID A COMPLETE ABOUT-FACE ON THE SNOW SIDE OF THINGS.
IN FACT...VIRTUALLY NO SNOW WAS RECORDED UNTIL VERY LATE IN THE MONTH
/29TH/ WHEN AN INCH OR TWO FELL OVERNIGHT. VERY LITTLE SNOW IN MARCH IS
ACTUALLY HIGHLY UNUSUAL WITH A TRACE OF SNOW BEING THE LOWEST /1946/.
THE MONTH STARTED ON A FRIGID NOTE WITH TEMPERATURES AVERAGING SOME
15 DEGREES BELOW NORMAL. IT WAS AT THIS TIME THAT THE LOWS OF THE MONTH
WERE ATTAINED AT DETROIT METRO WITH AN 8/7 ON THE 2ND/3RD (RECORD
LOWS WERE -4). QUICKLY ON THE HEELS OF THE COLD SPELL CAME THE WARMTH
WITH TEMPERATURES SURGING UP INTO THE 50S AND 60S. AFTER THE LOW OF
7 ABOVE ON THE 3RD...TEMPERATURES ROSE SIXTY DEGREES TO 67 ON THE 6TH.
HEAVY RAINS THAT FELL ON THE 7TH-11TH BROUGHT OVER THREE INCHES OR
BETTER (DETROIT METRO AIRPORT) BROUGHT A RESURGENCE OF FLOODING IN
SOUTHEAST LOWER MICHIGAN. SEVERAL RIVERS AND CREEKS IN SOUTHEAST LOWER
MICHIGAN ONCE AGAIN FLOODED WITH THE WORST OF THE RIVER FLOODING SEEN
AT THE HURON RIVER IN HAMBURG...AND THE RAISIN RIVER AT BLISSFIELD...
DUNDEE AND MONROE. FLOOD WATERS SURGED UP TO A COUPLE FEET ABOVE THE
FLOOD STAGES.
WELL IT MIGHT HAVE BEEN THE "LUCK OF THE IRISH" OR JUST COINCIDENCE
BUT THE WARMEST DAY OF THE MONTH ARRIVED ON ST PATRICK`S DAY. SUNNY
SKIES AND BALMY WINDS CAUSED TEMPERATURE TO FLIRT WITH 70 DEGREES
/69 AT DETROIT/ ON THE 17TH. OF COURSE...A BRIEF COLD SNAP (THOUGH A
SUNNY DAY) ARRIVED IN TIME FOR THE OFFICIAL FIRST DAY OF SPRING /20TH/
WITH TEMPERATURES ONLY RISING INTO THE LOWER 40S. THE REST OF THE MONTH
SAW NORMAL TO ABOVE NORMAL TEMPERATURES WHICH LED TO A MONTHLY AVERAGE
OF 38.7...NEARLY TWO DEGREES /1.8/ ABOVE NORMAL. STRANGELY ENOUGH...
IT THE HIGH TEMPERATURES OF THE MONTH THAT SUCCEEDED IN BRINGING THAT
ABOVE NORMAL DEPARTURE...NOT THE LOWS (AS WITH THE HEAT ISLAND
INFLUENCE).
ANALOGUES FOR THE SPRING INDICATED A BETTER CHANCE THAT MARCH AND APRIL
WOULD AVERAGE BELOW NORMAL... AND THOUGH THERE WERE SOME GOOD COLD
SNAPS...MARCH BUCKED THAT TREND...WILL APRIL?
DEEDLER
