Climatological Report (Monthly)
Issued by NWS Omaha/Valley, NE

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CLIMATE REPORT...CORRECTION
NATIONAL WEATHER SERVICE OMAHA NEBRASKA
1225 PM CDT MON MAY 1 2017

...CORRECTED GREATEST IN 24 HOUR TOTAL PRECIPITATION FROM 1.19 ON
04/30 TO 04/30...TO 1.32 ON 04/29 TO 04/30...

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

...THE LINCOLN, NEBRASKA CLIMATE SUMMARY FOR THE MONTH OF APRIL
2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1887 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            83   04/19
LOWEST             25   04/07
AVG. MAXIMUM     65.0              64.3     0.7
AVG. MINIMUM     41.9              38.8     3.1
MEAN             53.5              51.6     1.8
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      5
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.21   1978
 MINIMUM         0.02   1910
TOTALS           3.55              2.71    0.84
DAILY AVG.       0.12
DAYS >= .01        13
DAYS >= .10         5
DAYS >= .50         2
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    1.32   04/29 TO 04/30

SNOWFALL (INCHES)
RECORDS
 TOTAL           11.1   1997
TOTALS            0.0               1.4
SINCE 7/1         7.5
DAYS >= 1.0         0               0.4    -0.4
GREATEST
 SNOW DEPTH         0
 24 HR TOTAL      0.0

DEGREE DAYS
HEATING TOTAL     350               417     -67
 SINCE 7/1       4887              5893   -1006
COOLING TOTAL      12                13      -1
 SINCE 1/1         13                14      -1
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.4
HIGHEST WIND SPEED/DIRECTION    38/040    DATE  04/30
HIGHEST GUST SPEED/DIRECTION    49/030    DATE  04/30

SKY COVER
AVERAGE SKY COVER           0.50


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      1
HAZE                      6

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

&&

...APRIL WAS WARMER AND WETTER THAN NORMAL IN LINCOLN...

THE AVERAGE TEMPERATURE OF 53.5 DEGREES RANKS AMONG WARMER THAN
NORMAL APRILS, WHILE THE TOTAL PRECIPITATION OF 3.55 INCHES
REGISTERED ABOVE NORMAL. NO SNOW FELL IN APRIL.

THE LONG STRETCH OF OVERCAST CONDITIONS THAT CLOSED THE MONTH OF
MARCH ALSO LINGERED THROUGH THE FIRST FOUR DAYS OF APRIL, WITH
LITTLE DIFFERENCE BETWEEN DAY AND NIGHT TEMPERATURES ON THE 1ST AND
3ND AND WITH A TRACE OR MORE OF RAIN ON THE 1ST THROUGH THE 5TH. SUN
BROKE THROUGH ON THE 5TH, EVEN IF IT DID BRING BELOW-NORMAL
TEMPERATURES FOR THE 6TH AND 7TH. THE COLDEST TEMPERATURE OF THE
MONTH, 25 DEGREES, WAS RECORDED ON THE 7TH. TEMPERATURES DID REMAIN
ABOVE AVERAGE FROM THE 2ND TO THE 5TH AND THE 8TH TO 9TH. A COLD
FRONTAL PASSAGE BROUGHT SHOWERS AND THUNDERSTORMS ON THE 9TH, WITH A
FEW STRONG TO SEVERE STORMS PRODUCING HAIL UP TO 1 INCH AROUND
LANCASTER COUNTY, AS WELL AS MUCH COOLER TEMPERATURES FOR THE 10TH
AND 11TH. THE LOW OF 26 ON THE 11TH CURRENTLY STANDS AS THE LAST
HARD FREEZE OF SPRING.

TEMPERATURES POPPED RIGHT BACK ABOVE NORMAL FOR THE 12TH TO 20TH,
WITH INCREASING HUMIDITY AND SEVERAL DAYS OF THUNDERSTORMS AROUND
LINCOLN. STRONG TO SEVERE STORMS OCCURRED AROUND LINCOLN ON THE
19TH, WITH 1.75 INCH HAIL ON THE UNIVERSITY OF NEBRASKA MAIN CAMPUS
AND SMALLER HAIL ELSEWHERE AROUND THE CITY, ALONG WITH 0.94 INCHES
OF RAIN. THE HIGH TEMPERATURE OF 83 ON THE 19TH WAS THE WARMEST OF
THE MONTH.

THE COLD FRONT THAT USHERED IN STORMS ON THE 19TH ALSO USHERED IN A
DROP TO COOLER TEMPERATURES THAT WAS REINFORCED A COUPLE OF TIMES
THROUGH THE REST OF THE MONTH. FROM THE 21ST THROUGH THE 30TH,
TEMPERATURES ONLY ROSE ABOVE NORMAL ON THE 24TH. FROST CONDITIONS
AND FREEZES (AT 32 DEGREES) OCCURRED ON THE 23RD AND 27TH. THE END
OF THE MONTH WAS PARTICULARLY CHILLY, WITH HIGH TEMPERATURES IN THE
40S ON THREE OF FIVE DAYS FROM THE 26TH TO THE 30TH AND WITH LOWS IN
THE LOWER 30S TO LOWER 40S. IT ALSO WAS A WETTER PERIOD, WITH 1.91
INCHES OF RAIN ON THE 28TH TO 30TH. A FEW RUMBLES OF THUNDER WERE
RECORDED ON THE 30TH.

THE LAST FREEZE (SO FAR) OCCURRED ON APRIL 27 AT 32 DEGREES. THIS IS
5 DAYS LATER THAN THE PERIOD-OF-RECORD AVERAGE OF APRIL 22.  THE
LAST HARD FREEZE (SO FAR) OCCURRED ON APRIL 11 AT 26 DEGREES, WHICH
MATCHES THE PERIOD-OF-RECORD AVERAGE. WITH NO FREEZES IN THE
FORECAST INTO EARLY MAY, IT IS LIKELY THAT THESE WILL STAND AS THE
FINAL FREEZE DATES.


DAILY RECORDS SET IN APRIL 2017:
DATE          RECORD           READING  PREVIOUS RECORD
NO RECORDS SET

$$
MAYES/JEK/JRB
COR BY KLISH



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