Kansas City:

…Near normal temperatures and slightly below normal precipitation characterized the overall Kansas City weather in 2011…

Temperatures: 

The average temperature for the year was 54.7 degrees or 0.1 degrees above the normal of 54.6 degrees. This ranks as the 80th warmest year on record (out of 123 years). Four months had below normal temperatures, with two months of near average, and six months of above average temperatures.

Highest temperature: 107 degrees on August 2nd.

Lowest temperature: 12 degrees below zero on February 3rd.

The warmest daily average temperature was 93 degrees on August 2nd with a high of 107 degrees and a low of 78 degrees.

The coldest daily average temperature was 4 degrees on February 2nd with a high of 19 and a low of 12 degrees below zero.

The lowest afternoon high temperature was 9 degrees on February 8th.

The highest overnight low temperature was 80 degrees on July 27th.

For the entire year, four record highs and one record low were equaled or exceeded.

Precipitation:

The total precipitation for the year was 36.92 inches, or 1.94 inches below the normal of 38.86 inches. This was the 60th wettest year on record. Three months had below normal precipitation, four months were above, and five months were near average. The longest stretch with no measurable precipitation was 21 days, from September 19th through October 9th.

The highest monthly total was 6.82 inches in August, or the 17th wettest August on record. The lowest monthly total was 0.22 of an inch recorded in October, or the 5th driest October on record.

The greatest rainfall in a 24 hour period was 3.38 inches on August 16th-17th.

There was one daily rainfall record exceeded on August 20th.

There were 46 days with thunderstorms, normal is 53.

The total snowfall for the 2010-2011 winter season was 36.9 inches, with the 2011 calendar year snowfall of 34.1 inches. Normal for a winter season is 18.8 inches. The 2010-2011 winter season was the 9th snowiest winter season on record.

The greatest monthly snow total in this calendar year was 17.3 inches in January, or the 4th snowiest January on record.

There were four daily snowfall records set on January 10th, January 20th, February 1st and February 24th.

Wind:

The average wind velocity for the year was 10.3 mph with the prevailing wind direction from the south. Normal is 10.7 mph from the south. The highest wind gust for the year was 62 mph from the southwest on August 7th and also from the northwest on August 20th.


Monthly Statistics
...Temperature...

  Average Temperature Highest  Lowest Record Highs/Lows Rank (1=Warmest 123=Coldest)
Jan 22.8 48 -6 0/0 110th
Feb 29.5 74 -12 2/1 89th
Mar 43.5 81 18 0/0 66th
Apr 55.8 91 30 1/0 56th
May 63.0 90 34 0/0 89th
Jun 76.0 95 56 0/0 34th
Jul 83.2 102 66 0/0 11th
Aug 78.1 107 60 1/0 52nd
Sept 64.8 98 40 0/0 113th
Oct 58.3 87 28 0/0 56th
Nov 45.3 78 19 0/0 52nd
Dec 35.9 65 9 0/0 37th
Year 54.7 107 -12 4/1 80th

 
...Precipitation...

  Total Precip Departure Ranking (1=Wettest 123=Driest)
Jan 1.24 +0.09 48th
Feb 2.27 +0.96 21st
Mar 1.95 -0.49 73rd
Apr 3.43 +0.05 53rd
May 4.82 -0.57 55th
Jun 4.85 +0.41 59th
Jul 2.26 -2.16 87th
Aug 6.82 +2.93 17th
Sept 1.14 -3.48 113th
Oct 0.22 -2.94 119th
Nov 4.89

+2.74

6th
Dec 3.03 +1.50 10th
Year 36.92 -1.94 60th

 Kansas City 2011 Climate Graph
(click on image for larger version)
 

CLIMATE REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1206 PM CST SUN JAN 1 2012

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

...THE KANSAS CITY INTERNATIONAL MO CLIMATE SUMMARY FOR THE YEAR OF 2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1888 TO 2011

WEATHER              OBSERVED                    NORMAL      DEPART 
                                   VALUE      DATE(S)     VALUE         FROM    
                                                                                           NORMAL
.................................................................................................................................
TEMPERATURE (F)
RECORD
HIGH                              113     08/14/1936
LOW                                -23    12/23/1989
                                                 12/22/1989
HIGHEST                       107         08/02               99              8
LOWEST                        -12          02/03                 0           -12
AVG. MAXIMUM            65.0                              64.7           0.3
AVG. MINIMUM             44.4                              44.6          -0.2
MEAN                            54.7                              54.6           0.1
DAYS MAX >= 90           49                                30.2          18.8
DAYS MAX <= 32           30                                27.0           3.0
DAYS MIN <= 32          109                               108.2          0.8
DAYS MIN <= 0                6                                   5.2          0.8

PRECIPITATION (INCHES)
RECORD
MAXIMUM                  60.25        1961
MINIMUM                   20.93        1953
TOTALS                     36.92                              38.86         -1.94
DAILY AVG.                 0.10                                 0.11         -0.01
DAYS >= .01                 101                               104.8          -3.8
DAYS >= .10                   60                                 64.1          -4.1
DAYS >= .50                   28                                 25.6           2.4
DAYS >= 1.00                 12                                 10.0           2.0
GREATEST
24 HR. TOTAL              2.40     08/20

SNOWFALL (INCHES)
RECORDS
TOTAL                          63.0       1960
24 HR TOTAL                20.0      03/23/1912 TO 03/23/1912
TOTALS                         34.1                              18.8         15.3
DAYS >= TRACE              34                               14.6         19.4
DAYS >= 1.0                      6                                  5.9           0.1
GREATEST
SNOW DEPTH                  9       02/04
                                                  02/02
                                                  02/03
24 HR TOTAL                  8.9     02/01

DEGREE_DAYS
HEATING TOTAL          5220                                5133         87
COOLING TOTAL          1598                               1360        238
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
HIGHEST WIND SPEED/DIRECTION     49/290    DATE  08/20
HIGHEST GUST SPEED/DIRECTION    62/300    DATE  08/20

SKY COVER

NUMBER OF DAYS FAIR              116
NUMBER OF DAYS PC                 161
NUMBER OF DAYS CLOUDY         88

AVERAGE RH (PERCENT)      68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             46     MIXED PRECIP                   0
HEAVY RAIN                     30     RAIN                                   37
LIGHT RAIN                    115     FREEZING RAIN                   2
LT FREEZING RAIN            8     HAIL                                      5
HEAVY SNOW                    3     SNOW                                    8
LIGHT SNOW                   30     SLEET                                   2
FOG                                154     FOG W/VIS <= 1/4 MILE     18
HAZE                               114

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


Notable Weather Events from 2011:

1) January 9th-11th: Snowfall event

2) January 19th-20th: Winter Storm

3) February 1st-2nd: Blizzard

4) February 24th: Winter Storm

5) February 27th: Severe Winds

6) April 3rd: Severe Storms/Large Hail

7) May 21st-22nd: Severe Storms

8) May 25th: Sedalia Tornado

9) June 9th: Severe Storms

10) June 14th: Severe Storms 

11) June 17th-18th: Severe Storms

12) August 18th: Severe Storms

 


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