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

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000
CXUS53 KOAX 090552 RRA
CLALNK

CLIMATE REPORT
NATIONAL WEATHER SERVICE OMAHA NEBRASKA
1045 PM CST TUE JAN 2 2018

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

...THE LINCOLN CLIMATE SUMMARY FOR THE YEAR OF 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1887 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           100   07/21
LOWEST            -17   12/27
AVG. MAXIMUM     65.7
AVG. MINIMUM     41.9
MEAN             53.8
DAYS MAX >= 90     37
DAYS MAX <= 32     23
DAYS MIN <= 32    129
DAYS MIN <= 0       8

PRECIPITATION (INCHES)
TOTALS          37.03             28.95    8.08
DAYS >= .01        88
DAYS >= .10        52
DAYS >= .50        22
DAYS >= 1.00       13
GREATEST
 24 HR. TOTAL    3.72   MM

SNOWFALL (INCHES)
TOTALS           10.1
DAYS >= TRACE      27
DAYS >= 1.0         4
GREATEST
 SNOW DEPTH         3   12/31
                        12/29
                        12/30
 24 HR TOTAL      2.1   MM

DEGREE_DAYS
HEATING TOTAL    5223
COOLING TOTAL    1252
.................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    63/340    DATE  06/16
HIGHEST GUST SPEED/DIRECTION    88/320    DATE  06/16



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

&&

...2017 YEARLY CLIMATE SUMMARY FOR LINCOLN...

THE YEAR 2017 WAS MUCH WARMER AND MUCH WETTER THAN NORMAL, WITH
BELOW-NORMAL SNOWFALL. THE AVERAGE TEMPERATURE OF 53.8 DEGREES WAS
THE 11TH WARMEST ON RECORD AND 2.3 DEGREES ABOVE NORMAL.  THE TOTAL
PRECIPITATION OF 37.03 INCHES WAS 8.08 INCHES ABOVE NORMAL AND THE
12TH WETTEST ON RECORD. THE CALENDAR YEAR SNOWFALL TOTAL OF 10.1
INCHES WAS 15.8 INCHES BELOW NORMAL AND THE 2ND LEAST SNOWY ON
RECORD (SINCE 1948). ALL MONTHS IN 2017 EXCEPT AUGUST WERE WARMER
THAN NORMAL.

JANUARY WAS THE 34TH WARMEST AND 23RD WETTEST ON RECORD, WITH THE
SNOWFALL RANKING AS THE 18TH LOWEST. ONE OF THE HIGHEST-IMPACT
WEATHER EVENTS OF 2018 WAS THE ICE/WINTER STORM ON JANUARY 15-16
(MARTIN LUTHER KING JR. HOLIDAY WEEKEND), WITH ICE ACCUMULATIONS OF
AROUND A QUARTER TO A HALF INCH AROUND LINCOLN. BECAUSE OF WARM
TEMPERATURES IN JANUARY, PRECIPITATION FELL AS RAIN SEVERAL TIMES
DURING THE MONTH, BUT A 1.2-INCH SNOWFALL ON THE 24TH TO 25TH
CONTRIBUTED TO THE MEAGER TOTALS.

FEBRUARY WAS THE 3RD WARMEST ON RECORD, WITH AN AVERAGE TEMPERATURE
THAT WAS 9.3 DEGREES ABOVE NORMAL. FEBRUARY 2017 SAW THE HIGHEST
NUMBER OF FEBRUARY DAYS WITH TEMPERATURES OF 70 DEGREES OR WARMER (6
DAYS) AND TIED THE HIGHEST NUMBER OF DAYS REACHING 60 DEGREES OR
WARMER (9 DAYS), ALONG WITH REACHING THE 4TH HIGHEST NUMBER OF DAYS
READING 50 DEGREES OR HIGHER (15 DAYS). SEVERAL WARM TEMPERATURE
RECORDS WERE SET IN THE MIDDLE OF THE MONTH. FEBRUARY ALSO WAS THE
39TH DRIEST ON RECORD, WITH THE 15TH LOWEST MONTHLY SNOWFALL. SNOW
ARRIVED IN TWO BATCHES, WITH THE FIRST LIGHT ROUND OF JUST 0.2
INCHES ON THE 8TH. A THUNDERSTORM BROUGHT HAIL, RAIN, AND SLEET ON
THE 23RD, FOLLOWED BY 1.8 INCHES OF SNOW ON THE 23RD TO 24TH.

FOR THE WINTER MONTHS OF DECEMBER 2016 THROUGH FEBRUARY 2017, THE
AVERAGE TEMPERATURE OF 30.8 DEGREES WAS 4.0 DEGREES ABOVE NORMAL AND
THE 13TH WARMEST WINTER ON RECORD. THE TOTAL PRECIPITATION WAS 3.27
INCHES, WHICH WAS 0.91 INCHES ABOVE NORMAL AND THE 31ST WETTEST ON
RECORD. THE SNOWFALL FOR JUST DECEMBER THROUGH FEBRUARY WAS 6.9
INCHES, WHICH WAS 10.0 INCHES BELOW NORMAL. THE TOTAL WINTER 2016-
2017 SNOWFALL OF 7.5 INCHES WAS THE 2ND LOWEST ON RECORD AND 18.4
INCHES BELOW NORMAL (FOR WINTERS WITHOUT MISSING DATA).

MARCH WAS THE 20TH WARMEST ON RECORD, WITH SLIGHTLY BELOW-NORMAL
PRECIPITATION AND BELOW-NORMAL SNOWFALL. GUSTY WINDS BROUGHT WARM
TEMPERATURES AND THUNDERSTORMS ON THE 6TH, AND A RECORD WARM HIGH
TEMPERATURE WAS RECORDED ON THE 19TH. THE LAST MEASURABLE SNOW OF
THE WINTER FELL ON THE 14TH, MEASURING 0.6 INCHES. MARCH ENDED WITH
A LONG STREAK OF OVERCAST OR NEARLY OVERCAST SKIES AND SEVERAL RAINY
DAYS.

APRIL WAS THE 46TH WARMEST ON RECORD, WITH PRECIPITATION HOVERING
JUST ABOVE NORMAL. OVERCAST CONDITIONS FROM MARCH CONTINED INTO
EARLY APRIL, WITH THE FIRST SUNSHINE ON THE 5TH. THE LAST HARD
FREEZE OF THE COLD SEASON OCCURRED ON THE 11TH, AT 26 DEGREES; THE
LAST FREEZE OCCURRED ON THE 27TH, AT 32 DEGREES. STORMS ON THE 9TH
BROUGHT HAIL UP TO 1 INCH AROUND LANCASTER COUNTY, WITH SEVERE
STORMS AGAIN ON THE 19TH BRINGING 1.75-INCH HAIL ON THE UNIVERSITY
OF NEBRASKA MAIN CAMPUS AND SMALLER HAIL ELSEWHERE AROUND THE CITY.

MAY WAS THE 15TH WETTEST ON RECORD, WITH TEMPERATURES SLIGHTLY
WARMER THAN NORMAL. THE MONTH BEGAN ON THE COOL SIDE, WITH A TRACE
OF SNOW ON THE 1ST, FOLLOWED BY A SLOW MODERATING TREND, WITH
TEMPERATURES RECOVERING TO THE WARMEST READINGS OF THE MONTH ON THE
8TH (AND AGAIN ON THE 16TH) AT 93 DEGREES AS MOSTLY ABOVE-NORMAL
TEMPERATURES CONTINUED THROUGH THE 17TH. THUNDERSTORMS ON THE 16TH
USHERED IN A WETTER AND MAINLY COOLER PERIOD. RAIN FROM THE 16TH
THROUGH THE 20TH TOTALED 5.11 INCHES, WITH THUNDER ON ALL OF THOSE
DAYS.

FOR THE SPRING MONTHS OF MARCH THROUGH MAY, THE AVERAGE TEMPERATURE
OF 53.3 DEGREES WAS 2.0 DEGREES ABOVE NORMAL AND THE 24TH WARMEST ON
RECORD. THE TOTAL PRECIPITATION OF 11.46 INCHES WAS 2.53 INCHES
ABOVE NORMAL AND THE 18TH WETTEST ON RECORD. JUST 0.6 INCHES OF SNOW
FELL DURING THE SPRING MONTHS, WHICH WAS THE 10TH LOWEST TOTAL SINCE
SNOW RECORD BEGAN IN 1948.

JUNE WAS THE 26TH WARMEST ON RECORD, DESPITE NO PARTICULAR DAYS WITH
EXCEPTIONAL HEAT, AND THE 15TH WETTEST, THOUGH MUCH OF THE RAIN FELL
IN JUST TWO DAYS. THUNDERSTORMS ON THE 12TH BROUGHT A DAILY RECORD
3.72 INCHES OF RAIN, ALONG WITH HAIL IN LINCOLN. ONE OF THE BIGGEST
EVENTS OF THE YEAR WAS THE OUTBREAK OF THUNDERSTORMS ON THE 16TH,
WHICH BROUGHT WINDS GUSTING TO 88 MPH AT LINCOLN AIRPORT AS WELL AS
A BRIEF TORNADO ON THE EAST SIDE OF THE UNIVERSITY OF NEBRASKA EAST
CAMPUS. THUNDERSTORMS ON THE 28TH BROUGHT AN ADDITIONAL (AND DAILY
RECORD) 1.99 INCHES OF RAIN. OTHERWISE, WARM AND DRY CONDITIONS
DOMINATED THE 1ST THROUGH 11TH, FOLLOWED BY A STORMY PERIOD FROM THE
12TH TO THE 17TH AND A BIT MORE OF TEMPERATURE AND PRECIPITATION
SWINGS LATER IN THE MONTH.

JULY WAS THE 43RD WARMEST AND THE 15TH WETTEST ON RECORD. THOUGH THE
TOTAL PRECIPITATION WAS WELL ABOVE NORMAL, IT FELL ON JUST 5 DAYS IN
THE MONTH, WHICH IS THE 12TH FEWEST NUMBER OF DAYS WITH MEASURABLE
RAIN IN JULY. THE LOWEST HIGH TEMPERATURE OF THE MONTH WAS 81
DEGREES ON THE 30TH, WHICH IS THE 10TH WARMEST ON RECORD FOR JULY.
SEVERAL DAYS OF THUNDERSTORMS AND MEASURABLE RAIN WERE NOTED
THROUGH THE MONTH, INCLUDING 2.83 INCHES OF RAIN ON THE 26TH.

AUGUST WAS THE 10TH COOLEST ON RECORD, WITH NEAR-NORMAL
PRECIPITATION. THE TEMPERATURE NEVER REACHED 90 DEGREES IN AUGUST
FOR JUST THE SECOND TIME ON RECORD, WTIH THE PREVIOUS OCCURRENCE IN
1915. STRONG THUNDERSTORMS BROUGHT WIND GUSTS TO 54 MPH AT THE
AIRPORT SHORTLY AFTER MIDNIGHT ON THE 20TH, WITH TREE DAMAGE NOTED
FARTHER SOUTH IN LINCOLN. CLOSER TO 5 AM ON THE 20TH, ANOTHER ROUND
OF THUNDERSTORMS BROUGHT A 59-MPH WIND GUST AND ADDITIONAL TREE
DAMAGE IN THE CITY. THE DOUBLE ROUND OF STORMS BROUGHT 1.82 INCHES
OF RAIN IN LINCOLN AND RIVER FLOODING TO AREAS NORTHWEST OF LINCOLN.

FOR THE SUMMER MONTHS OF JUNE THROUGH AUGUST, THE AVERAGE
TEMPERATURE OF 75.0 DEGREES WAS 0.2 DEGREES BELOW NORMAL AND RANKED
AS NEAR NORMAL IN THE MIDDLE OF THE PACK. THE TOTAL PRECIPITATION OF
16.72 INCHES WAS 5.48 INCHES ABOVE NORMAL AND THE 14TH WETTEST
SUMMER ON RECORD.

SEPTEMBER TEMPERATURES BOUNCED BACK TO WELL ABOVE NORMAL, AS THE
18TH WARMEST SEPTEMBER ON RECORD, AND WAS THE 45TH DRIEST ON RECORD.
THE MONTH DID START ON THE COOL SIDE, WITH BELOW NORMAL TEMPERATURES
STARTING THE MONTH. WARM TEMPERATURES WERE NOTED FROM THE 10TH TO
15TH AND ESPECIALLY FROM THE 18TH TO 24TH, INCLUDING A RECORD WARM
MINIMUM TEMPERATURE ON THE 22ND. NO PRECIPITATION FELL AT ALL FROM
THE 2ND TO THE 14TH, WITH MORE PERIODIC RAIN LATER IN THE MONTH.
1.37 INCHES FELL ON THE 24TH TO 26TH ALONE.

OCTOBER WAS WETTER AND WARMER THAN NORMAL, RANKING AS THE 4TH
WETTEST AND 54TH WARMEST. IT ALSO RECORDED A TRACE OF SNOW, ONE OF
17 YEARS TO RECORD AT LEAST A TRACE OF SNOW IN OCTOBER AMONG YEARS
WITH COMPLETE RECORDS. THE FIRST HALF OF OCTOBER WAS VERY WET AND
MOSTLY WARM, AND THE 1ST THROUGH 14TH WAS THE WETTEST SUCH PERIOD ON
RECORD AT 4.89 INCHES. 9 DAYS IN THAT PERIOD SAW MEASURABLE RAIN,
WITH AMOUNTS OVER AN INCH ON 3 OF THOSE DAYS AND DAILY RECORD
RAINFALL ON BOTH THE 5TH AND 6TH. A NEEDED DRY PERIOD ARRIVED IN THE
SECOND HALF OF THE MONTH, BUT WITH IT CAME WINDY DAYS ON THE 20TH
(49 MPH), 21ST (41 MPH), 23RD (50 MPH), AND 26TH (45 MPH). MUCH
COOLER WEATHER ARRIVED AS TEMPERATURES FELL THROUGH THE 27TH TO
28TH, WITH THE FIRST FREEZE ON THE 28TH ALSO ARRIVING AS THE FIRST
HARD FREEZE AT 22 DEGREES. COOL TEMPERATURES WERE NOTED ON THE 30TH
(WITH BRISK 41-MPH WINDS) AND ESPECIALLY THE 31ST. HALLOWEEN BEGAN
WITH SNOW IN THE MORNIGN TO EARLY AFTERNOON, WITH JUST A TRACE AT
LINCOLN AIRPORT BUT ACCUMULATIONS UP TO AROUND 0.1-1 INCHES
ELSEWHERE AROUND THE CITY. LINCOLN AREA TRICK-OR-TREATERS FACED
BRISK CONDITIONS, AS THE HIGH TEMPERATURE ON THE 31ST WAS JUST 36
DEGREES.

NOVEMBER WAS THE 17TH DRIEST ON RECORD AND THE 47TH WARMEST. NO SNOW
WAS REPORTED IN NOVEMBER, WHICH HAS OCCURRED 4 OTHER TIMES FOR YEARS
WITH COMPLETE RECORDS SINCE SNOW RECORDS BEGAN IN 1948. FROM THE 1ST
THROUGH 13TH, TEMPERATURES WERE BELOW NORMAL ON MOST DAYS, WITH
MEASURABLE RAIN ONLY ON THE 11TH. FROM THE 14TH TO THE 30TH, ALL BUT
FOUR DAYS HAD ABOVE-NORMAL TEMPERATURES. A COLD FRONT ON THE 17TH TO
18TH BROUGHT THE ONLY OTHER MEASURABLE RAIN OF THE MONTH.
TEMPERATURES WERE WARM AROUND THANKSGIVING, WITH DAILY RECORD HIGHS
ON THREE DAYS.

FOR THE FALL MONTHS OF SEPTEMBER THROUGH NOVEMBER, THE AVERAGE
TEMPERATURE OF 55.6 DEGREES WAS 2.9 DEGREES ABOVE NORMAL AND THE
29TH WARMEST ON RECORD. THE TOTAL PRECIPITATION OF 6.82 INCHES WAS
0.40 INCHES ABOVE NORMAL AND 48TH WETTEST ON RECORD, AS A VERY DRY
NOVEMBER FOLLOWED A WET SEPTEMBER AND OCTOBER. ONLY A TRACE OF SNOW
WAS RECORDED, THOUGH IT IS NOT UNUSUAL FOR A TRACE OR LESS OF SNOW
TO OCCUR IN THE FALL.

DECEMBER WAS THE 41ST DRIEST, WITH AN AVERAGE TEMPERATURE THAT WAS
SLIGHTLY ABOVE NORMAL AND RANKED NEAR THE MIDDLE OF THE PACK. IT
TRULY WAS THE TALE OF TWO PATTERNS, WITH A WARM BEGINNING AND MIDDLE
BUT A BITTERLY COLD FINISH. THE AVERAGE TEMPERATURE OF 36.9 DEGREES
FOR DECEMBER 1-20 WAS THE 15TH WARMEST ON RECORD, DRIVEN BY MAXIMUM
TEMPERATURES THAT WERE 4TH WARMEST FOR THE SAME DATES. JUST 0.12
INCHES OF PRECIPITATION FELL IN THAT PERIOD, WITH 0.1 INCHES OF SNOW
ON THE 17TH MARKING THE FIRST MEASURABLE SNOWFALL OF THE YEAR. THE
PATTERN CHANGE BEGAN ON THE 21ST, WITH SNOW, AND THE 22ND WAS THE
LAST DAY OF THE MONTH THAT ROSE ABOVE FREEZING. THE 3.6 INCHES OF
SNOW ON THE 23RD-24TH ENSURED A WHITE CHRISTMAS, WITH FLURRIES OR
LIGHT SNOW ON SEVERAL DAYS THROUGH THE END OF THE MONTH. A RECORD
LOW OF -17 WAS SET ON THE 27TH, AND THE BITTEREST COLD ARRIVED ON
NEW YEARS EVE, WITH A HIGH OF ONLY 0 DEGREES AND A LOW OF -11. THE
AVERAGE TEMPERATURE OF 5.1 DEGREES FOR DECEMBER 25-31 WAS THE
COLDEST ON RECORD FOR THAT LAST WEEK OF THE YEAR.


                       2017 STATISTICS
          TEMPERATURE                   PRECIPITATION
MONTH  AVG. DEPART.  MAX  MIN     TOTAL  DEPART. SNOW/SLEET TSTORM DAYS
JAN    27.5   2.9     61   -9     1.10    0.46    3.2         0
FEB    38.3   9.3     76   11     0.55   -0.22    2.0         1
MAR    43.7   3.6     87   16     1.62   -0.31    0.6         1
APR    53.5   1.8     83   25     3.55    0.84      0         7
MAY    62.8   0.5     93   36     6.29    2.00      0         9
JUN    74.9   2.3     98   47     7.35    3.00      0        10
JUL    78.8   1.2    100   57     5.99    2.59      0         5
AUG    71.4  -3.9     89   50     3.38   -0.11      0         0
SEP    70.3   4.3     97   43     1.85   -1.17      0         7
OCT    55.5   2.3     84   22     4.90    2.93      T         8
NOV    41.0   2.1     75   12     0.07   -1.36      0         0
DEC    27.9   1.1     63  -17     0.38   -0.57    4.3         0
YEAR   53.8   2.3    100  -17    37.03    8.08   10.1        57

           DEGREE DAYS
MONTH  HEATING  DEPART.  COOLING  DEPART.
JAN      1151    -101         0       0
FEB       741    -265         0       0
MAR       654    -119         1       0
APR       350     -67        12      -1
MAY       129     -18        70       5
JUN         2     -14       389      68
JUL         0      -1       436      46
AUG         0      -5       205    -119
SEP        34     -58       202      79
OCT       307     -74        20       5
NOV       712     -70         0       0
DEC      1143     -41         0       0
YEAR     5223    -833      1252      79

       WIND GUST    SEA LEVEL PRESSURE
MONTH  MAX          MAX     MIN
JAN    41           30.79   29.38
FEB    42           30.68   29.50
MAR    45           30.69   29.18
APR    49           30.38   29.44
MAY    47           30.14   29.24
JUN    88           30.34   29.54
JUL    41           30.20   29.66
AUG    59           30.22   29.67
SEP    43           30.32   29.49
OCT    50           30.45   29.47
NOV    48           30.51   29.48
DEC    56           31.00   29.37
YEAR   88           31.00   29.18

       EXTREMES                    READING   DATE
WARMEST HIGH TEMPERATURE           100       JULY 21
COLDEST HIGH TEMPERATURE             0       DECEMBER 31
COLDEST LOW TEMPERATURE            -17       DECEMBER 27
WARMEST LOW TEMPERATURE             79       JULY 21
LAST SPRING FREEZE (32 DEGREES)     32       APRIL 27
FIRST FALL FREEZE (32 DEGREES)      30       OCTOBER 11
HIGHEST DAILY PRECIPITATION          3.72    JUNE 12
HIGHEST DAILY SNOWFALL               2.1     DECEMBER 24
HIGHEST SNOW DEPTH                   3       DECEMBER 24-31
LAST MEASURABLE SNOW (2016-17)       0.6     MARCH 14
FIRST MEASURABLE SNOW (2017-18)      0.1     DECEMBER 17
HIGHEST WIND GUST                   88       JUNE 16
HIGHEST SURFACE PRESSURE            31.00    DECEMBER 31
LOWEST SURFACE PRESSURE             29.18    MARCH 6

   DAILY RECORDS SET IN 2017
DATE          RECORD         READING   PREVIOUS RECORD
JANUARY 16    PRECIPITATION    0.60    0.58 (1915)
JANUARY 20    WARM MIN TEMP   37       36 (1901)
FEBRUARY 16   WARM MAX TEMP   72       69 (1981)
FEBRUARY 17   WARM MAX TEMP   74       72 (1913)
FEBRUARY 19   WARM MAX TEMP   73       71 (1996)
FEBRUARY 21   WARM MAX TEMP   76       74 (1991)
FEBRUARY 22   WARM MAX TEMP   76       74 (1982)
MARCH 19      WARM MAX TEMP   87       82 (1921)
JUNE 12       PRECIPITATION    3.72    3.01 (2003)
JUNE 24       COLD MIN TEMP   47       47 (TIES WITH 2004)
JUNE 28       PRECIPITATION    1.99    0.88 (1965)
AUGUST 5      COLD MAX TEMP   69       70 (1897)
SEPTEMBER 22  WARM MIN TEMP   75       75 (TIES WITH 1937)
OCTOBER 5     PRECIPITATION    1.34    0.89 (1908)
OCTOBER 6     PRECIPITATION    1.18    1.01 (1967)
NOVEMBER 23   WARM MAX TEMP   71       68 (1914)
NOVEMBER 24   WARM MAX TEMP   75       72 (2011)
NOVEMBER 27   WARM MAX TEMP   72       68 (1998, 1963, 1933)
DECEMBER 27   COLD MIN TEMP  -17       -15 (1924)


   MONTHLY RECORDS SET IN 2017
DATE         RECORD                 READING   PREVIOUS RECORD
NONE

$$

MAYES



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