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000
CXUS53 KDLH 012136
CLMDLH

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE DULUTH MN
436 PM CDT SAT SEP 1 2012

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

...THE DULUTH MN CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              97   08/01/1930
 LOW               32   08/27/1986
HIGHEST            87   08/01        MM      MM       86  08/02
LOWEST             42   08/17        MM      MM       50  08/29
                                                          08/28
                                                          08/21
AVG. MAXIMUM     77.3              74.3     3.0     76.6
AVG. MINIMUM     55.0              54.4     0.6     56.9
MEAN             66.1              64.3     1.8     66.8
DAYS MAX >= 90      0               0.3    -0.3        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        10.31   1972
 MINIMUM         0.29   1930
TOTALS           1.42              3.70   -2.28     5.71
DAILY AVG.       0.05              0.12   -0.07     0.18
DAYS >= .01        11              10.8     0.2       15
DAYS >= .10         4               6.4    -2.4       11
DAYS >= .50         0               2.5    -2.5        2
DAYS >= 1.00        0               1.1    -1.1        1
GREATEST
 24 HR. TOTAL    0.60                            08/03 TO 08/04

DEGREE_DAYS
HEATING TOTAL      47                86     -39       23
 SINCE 7/1         47               149    -102       51
COOLING TOTAL      90                66      24       85
 SINCE 1/1        385               190     195      273
..................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    29/250    DATE  08/03
HIGHEST GUST SPEED/DIRECTION    38/260    DATE  08/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                      6

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

$$

.AUGUST 2012 WAS WARMER AND DRIER THAN NORMAL AT DULUTH MN...

THE AVERAGE TEMPERATURE FOR AUGUST WAS 66.1 DEGREES WHICH WAS 1.8
DEGREES WARMER THAN THE NORMAL OF 64.3 DEGREES MAKING THIS THE 29TH
WARMEST AUGUST IN STATION HISTORY. THE HIGHEST TEMPERATURE FOR THE
MONTH WAS 87 DEGREES ON THE 1ST. THE LOWEST TEMPERATURE WAS 42
DEGREES ON THE 17TH. NO DAILY TEMPERATURE RECORDS WERE BROKEN FOR
THE MONTH.

AUGUST 2012 WAS DRIER THAN NORMAL WITH A TOTAL OF 1.42 INCHES OF
PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 2.28 INCHES BELOW THE
NORMAL OF 3.70 INCHES MAKING THIS THE 16TH DRIEST AUGUST IN RECORDED
HISTORY. THE GREATEST AMOUNT OF PRECIPITATION IN A 24 HOUR PERIOD
OCCURRED ON THE 3RD THROUGH THE 4TH WHEN 0.60 INCHES OF PRECIPITATION
WAS RECORDED. AT LEAST A TRACE OF PRECIPITATION WAS REPORTED ON 13
DAYS. AT LEAST 0.01 INCHES OF PRECIPITATION FELL ON 11 DAYS. AT
LEAST 0.10 INCHES FELL ON 4 DAYS. NO DAILY PRECIPITATION RECORDS
WERE SET FOR THE MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 7.7 MPH. THE WINDIEST DAY
FOR THE MONTH WAS ON THE 16TH WITH AN AVERAGE WIND SPEED OF 14.9
MPH. THE GREATEST SUSTAINED WINDS OCCURRED ON THE 3RD WITH A WIND
FROM THE WEST AT 29 MPH. A PEAK GUST OF 38 MPH FROM THE WEST WAS
RECORDED ON THE 3RD. THERE WERE 47 HEATING DEGREE DAYS FOR THE MONTH
WHICH WAS 39 BELOW THE NORMAL OF 86. THIS BROUGHT THE SEASONAL TOTAL
TO 47 WHICH WAS 102 BELOW THE NORMAL OF 149. THERE WERE 90 COOLING
DEGREE DAYS FOR THE MONTH WHICH WAS 24 ABOVE NORMAL OF 66. THIS
BROUGHT THE SEASONAL TOTAL COOLING DEGREE DAYS TO 385 WHICH IS 195
ABOVE THE NORMAL OF 190. THE HIGHEST BAROMETRIC PRESSURE READING FOR
THE MONTH WAS 30.23 INCHES REACHED ON THE 10TH AND THE LOWEST
BAROMETRIC PRESSURE READING WAS 29.66 INCHES REACHED ON THE 30TH.

THE OUTLOOK FOR SEPTEMBER...NORMAL HIGHS BEGIN IN THE LOWER 70S AND FALL
TO THE UPPER 50S AT THE END OF THE MONTH. NORMAL LOWS FOR THE MONTH BEGIN
IN THE LOWER 50S AND FALL TO THE UPPER 30S ON THE 30TH. NORMAL
PRECIPITATION FOR SEPTEMBER IS 4.11 INCHES. NORMAL SNOWFALL FOR
SEPTEMBER IS 0.1 INCHES. ABOVE NORMAL TEMPERATURES AND BELOW NORMAL
PRECIPITATION ARE FORECASTED FOR SEPTEMBER.

&&

$$

KK