2004 Weather and Climate In Review
OMAHA NEBRASKA IN 2004

YEAR 2004  HAD SLIGHTLY ABOVE NORMAL TEMPERATURES WITH 
ABOVE NORMAL PRECIPITATION IN OMAHA. 

Omaha Year 2004 Average Temperature =  51.3 F,  (normal = 50.7). 
Omaha Year 2004 Total Precipitation = 33.81 inches (normal = 30.22 inches).
Full description follows the table of statistics.
 

            2004 STATISTICS FROM OMAHA/VALLEY NWS

          TEMPERATURE                   PRECIPITATION
MONTH  AVG.  DEPART.  MAX  MIN      TOTAL  DEPART.  SNOW
JAN.   21.0  -0.7     61   -9       1.25    0.48    19.8 
FEB.   24.9  -3.1     56   -8       1.31    0.51    17.7
MAR.   42.3   4.2     76   18       4.49    2.36     3.2
APR.   54.0   2.6     90   25       0.97   -1.97       0
MAY    63.9   1.7     91   31       8.21    3.77       0
JUNE   68.7  -3.5     91   45       2.70   -1.25       0
JULY   73.1  -3.6     95   52       6.83    2.97       0
AUG.   70.0  -4.5     94   47       3.77    0.56       0 
SEP.   70.4   5.0     94   39       1.66   -1.51       0 
OCT.   54.8   1.6     81   30       0.26   -1.95       0
NOV.   42.1   4.2     77   15       2.02    0.20     2.4
DEC.   30.4   4.8     64   -3       0.34   -0.58       T
YEAR   51.3   0.6     95   -9      33.81    3.59    43.1 

           DEGREE DAYS
MONTH  HEATING  DEPART.  COOLING  DEPART.
JAN.     1358       9         0       0 
FEB.     1156      71         0       0
MAR.      659    -146         0      -1
APR.      339     -85        20       6
MAY       124     -27       100      40
JUNE       30      13       147     -86
JULY        5       4       264    -101
AUG.       28      22       190    -106 
SEP.       24     -81       191      77
OCT.      318     -66        10      -2
NOV.      679    -127         0       0
DEC.     1065    -146         0       0
YEAR                        922    -173
 

EARLY CLIMATE SUMMARY - prepared and released by:
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
226 PM CST SAT JAN 1 2005

...2004 YEARLY CLIMATE SUMMARY FOR OMAHA...

ON THE WHOLE...2004 WAS A YEAR WITH MILD TEMPERATURES.  PRECIPITATION
WAS ABOVE NORMAL THROUGH AUGUST...WITH DRY AND PLEASANT WEATHER 
PREDOMINATING FROM SEPTEMBER ONWARD.

THE YEAR BEGAN SNOWY AND A LITTLE COLDER THAN NORMAL.  THE JANUARY
SNOWFALL TOTAL WAS 19.8 INCHES...THE 4TH SNOWIEST ON RECORD.  A 
MAJOR STORM ON THE 25TH AND 26TH WAS RESPONSIBLE FOR 13.5 INCHES.
COLD AND SNOWY WEATHER CONTINUED THROUGH THE FIRST PART OF 
FEBRUARY...WITH 17.7 INCHES OF SNOW FALLING FROM THE 1ST THROUGH THE 
6TH.  THIS WAS ENOUGH TO MAKE THIS THE 7TH SNOWIEST FEBRUARY ON 
RECORD...AND THE SNOWIEST SINCE 1978.  DAILY SNOWFALL RECORDS WERE
SET WITH AMOUNTS OF 6.7 INCHES ON THE 2ND AND 6.1 INCHES ON THE 5TH.
BY THE END OF THIS TWO WEEK ONSLAUGHT...THERE HAD BEEN A TOTAL OF 
31.2 INCHES OF SNOWFALL.  THE ACCUMULATION OF 26 INCHES ON THE
GROUND BY THE MORNING OF FEBRUARY 6TH WAS ONLY AN INCH SHORT OF 
THE ALL TIME RECORD DEPTH OF 27 INCHES SET IN MARCH 1960.  COLD
WEATHER PERSISTED UNTIL MID FEBRUARY...BUT TEMPERATURES WERE NOT 
UNUSUALLY COLD...AND NO RECORDS WERE SET.  THIS WAS FOLLOWED BY A 
GENTLE SPRING THAW...ALLOWING THE SNOW TO MELT GRADUALLY WITH A 
MINIMUM OF FLOODING. 

THE SPRING MONTHS FEATURED ABOVE NORMAL TEMPERATURES AND ABUNDANT 
MOISTURE.  MARCH AVERAGED 43.5 DEGREES...4.2 DEGREES ABOVE NORMAL.
MONTHLY PRECIPITATION WAS 4.49 INCHES...2.36 INCHES ABOVE 
NORMAL...AND MAKING THIS THE 4TH WETTEST MARCH ON RECORD.  A 2.44 
INCH RAINFALL ON THE 27TH WAS THE MOST PRECIPITATION RECORDED FOR 
ANY 24 HOUR PERIOD IN THE MONTH OF MARCH.  APRIL WAS MUCH DRIER THAN 
MARCH.  NO MEASURABLE RAIN FELL UNTIL THE 18TH...AND THE MONTHLY
TOTAL OF 0.97 INCH WAS 1.97 INCHES BELOW NORMAL.  TEMPERATURES
AVERAGED 54.0 DEGREES...2.6 DEGREES ABOVE NORMAL.  THE HIGH OF 90
ON THE 16TH TIED A DAILY RECORD SET IN 1964.  MAY SWITCHED BACK TO
A WET WEATHER PATTERN.  THE MONTHLY RAINFALL TOTAL OF 8.21 INCHES WAS
3.77 INCHES ABOVE NORMAL...MAKING THIS THE 10TH WETTEST MAY ON 
RECORD.  DAILY RAINFALL RECORDS WERE SET WITH 3.05 INCHES ON THE 
22ND AND 2.28 INCHES ON THE 24TH.  TEMPERATURES AVERAGED 1.7 DEGREES 
ABOVE NORMAL FOR THE MONTH...BUT THERE WAS ALSO SOME CHILLY WEATHER.
A LOW OF 34 ON THE 15TH WAS ONLY A DEGREE ABOVE THE DAILY RECORD. 
A THUNDERSTORM ON THE 29TH PRODUCED HAIL AND WIND GUSTS UP TO 67 MPH 
AT EPPLEY AIRFIELD.

THE SUMMER MONTHS WERE UNUSUALLY COOL WITH ADEQUATE MOISTURE.
THE JUNE AVERAGE TEMPERATURE OF 68.7 DEGREES WAS 3.5 DEGREES BELOW 
NORMAL. MOST OF THE COOL WEATHER OCCURRED IN THE LAST HALF OF THE 
MONTH.  A LOW OF 45 ON THE 25TH SET A NEW DAILY RECORD...AND A LOW 
OF 53 ON THE 28TH TIED ANOTHER RECORD.  RAINFALL WAS 2.70 INCHES...
1.25 INCHES BELOW NORMAL...BUT THERE WAS PLENTY OF MOISTURE LEFT 
OVER FROM THE WET MAY WEATHER.  JULY AVERAGED 73.1 DEGREES...3.6 
DEGREES BELOW NORMAL.  THIS MADE IT THE COOLEST JULY SINCE 1992 AND 
TIED FOR THE 8TH COOLEST ON RECORD.  DAILY TEMPERATURE RECORDS WERE 
BROKEN ON THE 24TH WITH A COOL HIGH OF 68...AND ON THE 26TH WITH  A 
LOW OF 52.  JULY WAS ALSO UNUSUALLY RAINY.  THE MONTHLY TOTAL OF 
6.63 INCHES WAS 2.97 INCHES ABOVE NORMAL.  MEASURABLE RAIN FELL ON 
THE FIRST 7 DAYS OF JULY...THE LONGEST STRING OF CONSECUTIVE RAINY 
DAYS IN JULY RECORDS.  ANOTHER 6 CONSECUTIVE DAYS WITH RAIN CAME 
FROM THE 11TH THROUGH THE 16TH.  OF THE FIRST 16 DAYS OF JULY...RAIN 
FELL ON 14.  THE MONTHLY TOTAL OF 19 DAYS WITH MEASURABLE RAIN WAS 2 
ABOVE THE PREVIOUS RECORD SET IN 1993.  RAINFALL OF 2.66 INCHES ON 
THE 22ND SET A DAILY RECORD...AND CAUSED SOME STREET FLOODING IN 
OMAHA.  AUGUST BEGAN WET...WHEN 2.84 INCHES OF RAIN ON THE 3RD SET A 
DAILY RECORD...AND RESULTED IN ANOTHER EPISODE OF STREET FLOODING. 
DRIER WEATHER PREVAILED AFTER THAT.  TEMPERATURES CONTINUED TO BE 
MUCH COOLER THAN NORMAL.  THE MONTHLY AVERAGE TEMPERATURE OF 70.0 
DEGREES WAS 4.5 DEGREES BELOW NORMAL.  THIS WAS AGAIN THE COOLEST 
SINCE 1992...AND TIED WITH 1950 FOR THE 5TH COOLEST AUGUST ON 
RECORD.  NEW DAILY RECORDS WERE SET BY LOWS OF 48 ON THE 14TH...47 
ON THE 19TH...AND 50 ON THE 21ST.  THE SUMMER SEASON AS A WHOLE 
AVERAGED 70.6 DEGREES...3.6 DEGREES BELOW NORMAL.  THE ONLY COOLER 
YEARS WERE 1992...AVERAGING 69.7 DEGREES...AND 1915...AVERAGING 69.2 
DEGREES.

DRY AND MILD WEATHER PREDOMINATED FOR THE REMAINDER OF THE YEAR. 
MONTHLY TEMPERATURES AVERAGED 1.6 DEGREES ABOVE NORMAL IN 
OCTOBER...AND 4 TO 5 DEGREES ABOVE NORMAL IN THE REST OF THE MONTHS.
SEPTEMBER WAS WARMER THAN AUGUST...AND THE WARMEST SEPTEMBER THAN 
1998.  THERE WERE A TOTAL OF 6 DAYS WITH HIGHS IN THE 90S...THE SAME 
AS JULY AND AUGUST COMBINED.  RAINFALL OF 1.66 INCHES WAS 1.51 
INCHES BELOW NORMAL.  MILD WEATHER PREVAILED IN OCTOBER...WITH NO 
UNUSUAL TEMPERATURE EXTREMES.  RAINFALL WAS ONLY 0.26 INCH...1.88 
INCHES BELOW NORMAL...MAKING THIS THE 9TH DRIEST OCTOBER ON RECORD.
ABOVE NORMAL TEMPERATURES PREVAILED FOR MOST OF NOVEMBER...BUT THE 
ONLY RECORD WAS A MILD MINIMUM TEMPERATURE OF 55 ON THE 17TH. 
PRECIPITATION WAS NEAR NORMAL.  THE ONLY MEASURABLE SNOWFALL OF THE 
EARLY WINTER SEASON WAS 2.4 INCHES ON THE 28TH.  THIS WAS SOON 
MELTED.  DECEMBER CONTINUED TO BE DRIER AND MILDER THAN NORMAL. THE 
MONTHLY AVERAGE OF 30.4 DEGREES WAS 4.8 DEGREES ABOVE NORMAL.  SOME 
COLD WEATHER OCCURRED DURING THE MIDDLE OF THE MONTH...BUT NO 
RECORDS WERE APPROACHED.  ON THE OTHER HAND...A HIGH TEMPERATURE OF 
65 ON THE 30TH WAS ONLY A DEGREE SHY OF THE DAILY RECORD...AND THE 
MILD LOW OF 48 SET A NEW RECORD.  THERE WERE ONLY TWO DAYS WITH 
MEASURABLE PRECIPITATION DURING DECEMBER...FOR A TOTAL OF 0.34 
INCH...0.58 INCH BELOW NORMAL.  THERE WAS JUST A TRACE OF SNOWFALL 
DURING THE MONTH.  THERE WERE ONLY FIVE OTHER DECEMBERS WITHOUT 
MEASURABLE SNOW SINCE 1884.  THE MOST RECENT WAS 2002.


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University of Nebraska-Lincoln
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