000
CXUS53 KOAX 011519
CLMOMA

CLIMATE REPORT
NATIONAL WEATHER SERVICE OMAHA NEBRASKA
912 AM CDT WED MAY 1 2013

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

...THE OMAHA EPPLEY, NEBRASKA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            85   04/29
LOWEST             20   04/01
AVG. MAXIMUM     58.7              63.7    -5.0
AVG. MINIMUM     35.9              39.8    -3.9
MEAN             47.3              51.7    -4.4
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     13
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.48   1999
 MINIMUM         0.23   1936
TOTALS           5.33              2.96    2.37
DAILY AVG.       0.18
DAYS >= .01        11
DAYS >= .10         8
DAYS >= .50         4
DAYS >= 1.00        2
GREATEST
 24 HR. TOTAL    1.85   04/21 TO 04/22

SNOWFALL (INCHES)
RECORDS
 TOTAL           10.0   1992
TOTALS            0.1               1.0
SINCE 7/1        32.6
DAYS >= 1.0         0
GREATEST
 SNOW DEPTH         T   04/01
 24 HR TOTAL      0.1   04/11 TO 04/11

DEGREE DAYS
HEATING TOTAL     530               413     117
 SINCE 7/1       5957              6002     -45
COOLING TOTAL       7                15      -8
 SINCE 1/1          7                16      -9
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.3
HIGHEST WIND SPEED/DIRECTION    39/300    DATE  04/24
HIGHEST GUST SPEED/DIRECTION    51/310    DATE  04/24

SKY COVER
AVERAGE SKY COVER           0.70


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               1
HEAVY RAIN                3     RAIN                       7
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                7     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      0
HAZE                      6

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.
>= INDICATES GREATER THAN OR EQUAL TO
<= INDICATES LESS THAN OR EQUAL TO

&&

...APRIL WAS MUCH COOLER AND MUCH WETTER THAN NORMAL IN OMAHA...

THOUGH THERE WERE A FEW WARM AND DRY SPELLS...APRIL WAS DOMINATED BY
UNUSUALLY COOL AND WET WEATHER IN OMAHA.  APRIL BEGAN WITH A COUPLE
OF COOL DAYS...WITH THE LOW TEMPERATURE OF 20 DEGREES ON THE 1ST
ALSO THE COLDEST READING OF THE MONTH.  A SPELL OF WARM WEATHER
FOLLOWED FROM THE 4TH THROUGH THE 9TH...WITH DRY WEATHER THROUGH THE
6TH.  A WET PERIOD FROM THE 7TH THROUGH THE 18TH BROUGHT AT LEAST A
TRACE OF RAIN ON 11 OF THE 12 DAYS...AND MEASURABLE RAIN ON 8 OF
THOSE DAYS.  A RAINFALL OF 1.52 INCHES ON THE 9TH WAS ACCOMPANIED BY
THUNDERSTORMS...INCLUDING HAIL UP TO 2 INCHES IN DIAMETER ON THE
WEST AND NORTHWEST SIDE OF THE OMAHA METRO...AND STORMS WERE
REPORTED ON 6 OTHER DAYS DURING THIS WET PERIOD.  THE ONLY
MEASURABLE SNOW OF THE MONTH FELL ON THE 11TH...WITH 0.1
INCHES...THOUGH TRACES OF SNOW WERE REPORTED ON THE
9TH...10TH...12TH...15TH...AND 18TH. THE COOLEST HIGH TEMPERATURES
OF THE MONTH ALSO OCCURRED DURING THIS PERIOD...AT 37 DEGREES ON THE
11TH AND 18TH.

AFTER A RECORD COLD MINIMUM TEMPERATURE OF 23 ON THE 20TH...ABOVE
NORMAL TEMPERATURES RETURNED FOR JUST ONE DAY...AS ANOTHER COLD
FRONT BROUGHT COOLER TEMPERATURES AND PRECIPITATION.  AN ADDITIONAL
1.25 INCHES OF RAIN FELL ON THE 22ND...WHICH WAS A DAILY
RECORD...AND A TRACE OF SNOW ON THE 22ND ALSO TIED THE DAILY RECORD.
 ONE MORE RECORD LOW TEMPERATURE OCCURRED ON THE 23RD...AT 28
DEGREES...BEFORE THE PATTERN STARTED TO RETURN TO NORMAL.  ABOVE
NORMAL TEMPERATURES WERE THEN IN PLACE FROM THE 26TH THROUGH THE
30TH.  THE TEMPERATURE FINALLY BROKE 80 DEGREES ON THE 28TH...AND
THE WARMEST TEMPERATURE OF THE MONTH OCCURRED ON THE 29TH...AT 85
DEGREES.  THE LOW TEMPERATURE STAYED ABOVE 50 DEGREES FOR THE FIRST
TIME THIS YEAR ON THE 29TH...WHICH WAS THE 4TH LATEST ON RECORD.
FOR THE MONTH...THE MINIMUM TEMPERATURE WAS AT OR BELOW FREEZING ON
13 DAYS IN APRIL...WHICH TIES FOR 3RD MOST WITH 1881.  THE RECORD IS
14 DAYS IN 1983/1874.

THE AVERAGE TEMPERATURE OF 47.3 DEGREES WAS 4.4 DEGREES BELOW NORMAL
AND THE 16TH COLDEST ON RECORD IN OMAHA.  THE TOTAL MONTHLY
PRECIPITATION OF 5.33 INCHES WAS 2.37 INCHES ABOVE NORMAL AND THE
12TH WETTEST ON RECORD.  THOUGH TRACES OF SNOW FELL ON MANY
DAYS...THE TOTAL MONTHLY SNOWFALL WAS ONLY 0.1 INCHES...WHICH IS 0.9
INCHES BELOW NORMAL.

DAILY RECORDS SET IN APRIL 2013:
DATE        RECORD         READING  PREVIOUS RECORD
APRIL 20    COLD MIN TEMP   23      24 (1953)
APRIL 22    RAINFALL         1.25   0.98 (2007)
APRIL 22    SNOWFALL         T      T (TIES WITH 1950)
APRIL 23    COLD MIN TEMP   28      28 (TIES WITH 1893)

$$

MAYES/KLEMM