This summary is from the National Weather Service, Omaha/Valley, NE.
These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC - http://www.ncdc.noaa.gov.
...2010 YEARLY CLIMATE SUMMARY FOR LINCOLN...
2010 WAS A WET YEAR WITH NEAR NORMAL TEMPERATURES. THE YEAR WAS THE
22ND WETTEST OF 123 YEARS ON RECORD...WITH PARTICULARLY WET MONTHS
IN JUNE AND JULY. JUNE WAS THE 6TH WETTEST ON RECORD...AND THE
JUNE-JULY RAINFALL TOTAL WAS THE 6TH WETTEST FOR THAT TWO-MONTH
SPAN. OCTOBER WAS THE 10TH DRIEST ON RECORD. 2010 WAS THE
47TH COOLEST OF 109 YEARS WITH COMPLETE RECORDS. AFTER A COLD START
TO THE YEAR...WITH JANUARY AND FEBRUARY TEMPERATURES BOTH BELOW
NORMAL...TEMPERATURES REMAINED NEAR TO ABOVE NORMAL FOR THE REST OF
YEAR. APRIL WAS THE 12TH WARMEST ON RECORD. THROUGH THE WET SUMMER
MONTHS...MINIMUM TEMPERATURES WERE PARTICULARLY HIGH UNDER A MOIST
ATMOSPHERE.
THE COLD AND SNOWY START TO THE WINTER OF 2009-10 SPILLED INTO
JANUARY. PRECIPITATION WAS SLIGHTLY ABOVE NORMAL...WITH 0.82 INCHES
OF WATER EQUIVALENT...WHILE TEMPERATURES WERE BELOW NORMAL...WITH A
MONTHLY AVERAGE OF 18.0 DEGREES THAT WAS 4.4 DEGREES BELOW NORMAL.
TEMPERATURES WERE 20 DEGREES OR MORE BELOW NORMAL ON 6 OF THE FIRST
9 DAYS OF THE MONTH...AND SNOW FELL ON 4 OF THE FIRST 6 DAYS. BY
THE 6TH...6.9 INCHES OF SNOW HAD FALLEN. THE 3.1 INCHES THAT
OCCURRED ON THE 6TH WAS THE SNOWIEST DAY OF 2010. THE COLDEST LOW
TEMPERATURE OF THE YEAR...AT -15 DEGREES...OCCURRED ON THE 4TH...AND
THE 8 COLDEST TEMPERATURES OF THE YEAR OCCURRED BETWEEN THE 1ST
AND THE 10TH. ALSO...THE COLDEST HIGH TEMPERATURE OF THE YEAR...3
DEGREES...FELL ON THE 8TH. AFTER THE BRUTAL BEGINNING TO THE
YEAR...A LAYER OF FOG AND STRATUS BLANKETED LINCOLN FOR AN EXTENDED
PERIOD OF TIME BETWEEN THE 14TH AND THE 23RD. AN UNSETTLED
PATTERN BROUGHT LIGHT SNOW AGAIN ON THE 24TH...ALONG WITH WINDS
GUSTING UP TO 50 MPH...THE WEATHER BECAME COOLER AND QUIET FOR THE
REST OF THE MONTH. AN ABOVE AVERAGE SNOWFALL OF 7.1 INCHES WAS
RECORDED THROUGH THE MONTH.
COLD WEATHER CONTINUED INTO FEBRUARY AS SNOW COVER PERSISTED OVER
LINCOLN...WITH AN AVERAGE TEMPERATURE OF 22.6 DEGREES THAT WAS 5.7
DEGREES BELOW NORMAL. THE TEMPERATURE EXCEEDED 40 DEGREES ONLY ONCE
DURING THE MONTH...WHICH IS THE FEWEST SINCE RECORDS BEGAN. ABOVE
AVERAGE SNOWFALL CONTINUED INTO FEBRUARY...WITH 7.4 INCHES OF SNOW
FALLING ON 10 DAYS THROUGH THE MONTH. THE LIQUID EQUIVALENT OF
PRECIPITATION IN FEBRUARY ALSO WAS ABOVE NORMAL...AT 0.99 INCHES.
MARCH CAME IN LIKE A LION AND OUT LIKE A LAMB...WITH COLD WEATHER TO
START THE MONTH AND WARM WEATHER TO END IT. BEGINNING IN EARLY
DECEMBER 2009...LINCOLN HAD AT LEAST ONE INCH OF SNOW ON THE GROUND
FOR 85 CONSECUTIVE DAYS ENDING ON MARCH 1ST...WHICH IS THE SECOND
LONGEST DURATION ON RECORD. ONLY 1.6 INCHES OF SNOW FELL IN
MARCH...BRINGING THE TOTAL 2009-2010 SNOWFALL TO 41.6 INCHES...THE
8TH SNOWIEST WINTER ON RECORD. AFTER A COLD START IN THE FIRST FEW
DAYS OF THE MONTH...TEMPERATURES WARMED TO ABOVE NORMAL
READINGS...AND THE AVERAGE TEMPERATURE IN MARCH WAS ABOVE NORMAL AT
41.0 DEGREES. PRECIPITATION REACHED 1.77 INCHES FOR THE
MONTH...WHICH IS NEAR NORMAL.
TEMPERATURES IN APRIL WERE WELL ABOVE NORMAL AT 55.6 DEGREES...WHICH
IS 4.4 DEGREES ABOVE NORMAL...WITH NEAR-NORMAL PRECIPITATION OF 2.53
INCHES THAT INCLUDED 5 THUNDERSTORM DAYS. THE FIRST THUNDERSTORMS
OF THE YEAR OCCURRED ON THE 5TH. THE MONTH WAS MARKED WITH WARM
TEMPERATURE SURGES AHEAD OF FRONTAL PASSAGES THAT BROUGHT RAIN AND
THUNDERSTORMS. THE LAST FREEZE OF THE SPRING OCCURRED ON THE
19TH...WHICH IS 3 DAYS EARLIER THAN AVERAGE. RAIN FELL ON 11 DAYS
IN APRIL...WITH AMOUNTS OVER 0.5 INCHES ON 2 OF THOSE
DAYS...ACCOMPANIED BY THUNDER BOTH OF THOSE DAYS. WITH
THUNDERSTORMS REPORTED IN LINCOLN ON THE 23RD...SEVERE THUNDERSTORMS
OCCURRED EAST OF LINCOLN.
THE MONTH OF MAY WAS MARKED BY A COOL AND WETTER STRETCH NEAR THE
BEGINNING OF THE MONTH...AND A WARM AND DRY STRETCH LATE IN THE
MONTH. THE AVERAGE TEMPERATURE OF 60.5 DEGREES WAS SLIGHTLY BELOW
NORMAL...WITH NORMAL PRECIPITATION OF 3.70 INCHES. MEASURABLE RAIN
FELL ON 11 DAYS IN MAY...6 OF WHICH ALSO WERE THUNDERSTORM
DAYS...AND 2 OF WHICH HAD PRECIPITATION TOTALS OF 0.5 INCHES OF RAIN
OR MORE. THE STRONGEST WIND OF THE YEAR OCCURRED ON THE 24TH AS A
SEVERE THUNDERSTORM MOVED THROUGH LINCOLN...WITH A PEAK WIND GUST OF
59 MPH.
WET WEATHER ARRIVED WITH VENGEANCE IN JUNE...WITH THE 6TH WETTEST
JUNE ON RECORD IN LINCOLN AS 9.90 INCHES OF RAIN INUNDATED THE
AREA...A WHOPPING 6.39 INCHES ABOVE NORMAL. A PERSISTENT PATTERN OF
LARGE-SCALE UPPER-LEVEL TROUGHING WAS PRESENT FOR MUCH OF THE
MONTH...COMBINED WITH A MOISTURE-RICH LOW-LEVEL ATMOSPHERE WITH
STRONG FLOW OFF THE GULF OF MEXICO. FOR MUCH OF THE FIRST FEW WEEKS
OF JUNE...AN EAST-WEST BOUNDARY ALSO PERSISTED OVER EASTERN NEBRASKA
AND WESTERN IOWA...PROVIDING A FOCUS FOR THUNDERSTORMS TO TRAVEL
ACROSS THE MISSOURI RIVER VALLEY. THE COMBINATION OF THESE FACTORS
ALLOWED THUNDERSTORMS TO REPEATEDLY DEVELOP AND MOVE ACROSS THE SAME
PARTS OF THE AREA...OFTEN AT NIGHT...PERSISTING UNTIL AROUND THE
23RD. MEASURABLE RAIN FELL ON 17 OF THE FIRST 23 DAYS IN
JUNE...WITH THUNDER REPORTED ON 16 OF THOSE DAYS. THUNDERSTORMS
DURING THAT TIME WERE MAINLY NON-SEVERE OR ONLY MARGINALLY
SEVERE...BUT THEY BROUGHT COPIOUS MOISTURE...WITH OVER AN INCH OF
RAIN ON 4 DAYS IN JUNE. THAT SAID...A THUNDERSTORM ON THE 20TH
BROUGHT HAIL UP TO THE SIZE OF BASEBALLS IN LINCOLN...AS WELL AS
FLASH FLOODING. THE MONTH FELL IN THE TOP 10 FOR THE NUMBER OF DAYS
WITH RAINFALL AT JUST ABOUT ANY THRESHOLD FROM 0.01 TO 1.0 INCHES.
THE HIGHEST CALENDAR DAY RAINFALL CAME IN AT 1.95 INCHES ON THE
1ST...AND THE HIGHEST 24-HOUR RAINFALL TOTAL REACHED 2.59 INCHES ON
THE 20TH TO 21ST. THE AREA HAD A RESPITE IN THE LAST WEEK OF JUNE
AS HIGH PRESSURE BROUGHT MOSTLY DRY WEATHER...WITH ONE LIGHT RAIN
SHOWER ON THE 27TH. WITH THE MOIST AIRMASS IN PLACE...NIGHTTIME
TEMPERATURES IN PARTICULAR WERE ABOVE AVERAGE...BRINGING THE MONTHLY
AVERAGE TEMPERATURE TO AN ABOVE NORMAL READING OF 74.2 DEGREES.
THE ABUNDANT RAINFALL BROUGHT SIGNIFICANT RIVER FLOODING ALONG THE
MISSOURI RIVER AND ALL OF ITS TRIBUTARIES...INCLUDING THE PLATTE
RIVER. MOST OF THE SIGNIFICANT RIVER FLOODING DID OCCUR NORTH AND
EAST OF LINCOLN.
THE WET WEATHER CONTINUED IN JULY...AS THE COMBINED PRECIPITATION IN
JUNE AND JULY WAS THE 6TH HIGHEST ON RECORD. JULY ALONE WAS THE
16TH WETTEST ON RECORD...WITH 5.83 INCHES OF RAIN. MEASURABLE RAIN
FELL ON 10 DAYS IN JULY...WITH THUNDERSTORMS ON 7 OF THOSE DAYS AND
WITH OVER AN INCH OF RAIN ON 2 DAYS. THE MONTH DID END DRY...WITH
JUST 0.05 INCHES OF RAIN THROUGH THE LAST 11 DAYS OF JULY
STEMPERATURES WERE NORMAL ON AVERAGE FOR THE MONTH OF JULY...AT 77.8
DEGREES. THE HIGH HUMIDITY THROUGH THE MONTH KEPT LOW TEMPERATURES
ABOVE NORMAL FOR MUCH OF THE MONTH...WITH HIGH TEMPERATURES NEAR OR
BELOW NORMAL UNDER HUMID CONDITIONS.
WARM WEATHER THEN CONTINUED INTO AUGUST...WHICH WAS THE 23RD WARMEST
ON RECORD AT 78.1 DEGREES. AGAIN...THE WARM TEMPERATURES CAN BE
ATTRIBUTED TO THE HIGH HUMIDITY...WHICH KEPT NIGHTTIME TEMPERATURES
WELL ABOVE NORMAL. THE HOTTEST DAY OF THE YEAR OCCURRED ON THE
12TH...REACHING 100 DEGREES. AUGUST RAINFALL WAS NEAR NORMAL...WITH
2.81 INCHES OF RAIN. THERE WERE 10 DAYS OF MEASURABLE RAINFALL WITH
THUNDER REPORTED ON 7 OF THOSE DAYS. RAINFALL EXCEEDED ONE INCH ON
2 DAYS IN AUGUST. EARLY AUGUST HAD A STRETCH OF HOT AND DRY WEATHER
BEFORE A MORE ACTIVE PATTERN RETURNED...BRINGING PERIODS OF RAIN AND
THUNDERSTORMS ASSOCIATED WITH FRONTAL PASSAGES.
THE SUMMER RAINFALL /JUNE THROUGH AUGUST/ WAS THE 6TH HIGHEST ON
RECORD...AT 18.54 INCHES.
AFTER A SUMMER OF WARM AND ACTIVE WEATHER...SEPTEMBER BROUGHT
RESPITE IN THE FORM OF MAINLY BENIGN WEATHER...WITH NEAR-NORMAL
TEMPERATURES AND ABOVE NORMAL PRECIPITATION THROUGH THE MONTH. THE
AVERAGE TEMPERATURE WAS 66.3 DEGREES...WHICH WAS VERY CLOSE TO
NORMAL. PRECIPITATION IN SEPTEMBER WAS RATHER SPOTTY ACROSS THE
REGION...WITH A MONTHLY TOTAL OF 3.73 INCHES. MUCH OF THAT RAIN
FELL ON THE 1ST...WHICH AT 2.53 INCHES OF RAIN WAS THE RAINIEST DAY
IN 2010. A SEVERE THUNDERSTORM MOVED THROUGH LINCOLN ON THE
13TH...BRINGING A MEASURED WIND GUST OF 58 MPH AND SOME WIND DAMAGE
TO THE LINCOLN AREA. OVERALL...THERE WERE 10 DAYS WITH MEASURABLE
RAINFALL...INCLUDING 6 THUNDERSTORM DAYS.
A DRY PATTERN PERSISTED FOR MUCH OF OCTOBER...WHICH WAS THE 10TH
DRIEST ON RECORD. TEMPERATURES WERE SLIGHTLY ABOVE NORMAL AT 55.4
DEGREES...INFLUENCED MAINLY BY WARM DAYTIME TEMPERATURES UNDER THE
DRY CONDITIONS. IN FACT...THE HIGH TEMPERATURES WERE THE 15TH
WARMEST ON RECORD. THE FIRST FREEZE OF THE FALL ARRIVED ON THE
3RD...9 DAYS AHEAD OF THE AVERAGE FIRST DATE OF OCTOBER 12.
MEASURABLE RAIN OCCURRED ON JUST 2 DAYS...THE 25TH AND
26TH...TOTALING 0.16 INCHES FOR THE MONTH. THE RAIN WAS ACCOMPANIED
BY GUSTY WEST TO NORTHWEST WINDS...PEAKING AT 46 MPH ON THE 26TH AND
48 MPH ON THE 27TH...AS A NEAR-RECORD DEEP LOW PRESSURE SYSTEM
DEVELOPED IN MINNESOTA.
WETTER WEATHER RETURNED IN NOVEMBER...WHICH WAS THE 29TH WETTEST ON
RECORD AT 1.97 INCHES. MUCH OF THAT PRECIPITATION FELL ON THE 12TH
AND 13TH...WITH 1.93 INCHES OF LIQUID PRECIPITATION AS WELL AS A
TRACE OF SNOW AT LINCOLN AIRPORT...THOUGH HIGHER SNOW TOTALS WERE
RECORDED ON THE SOUTHEAST SIDE OF LINCOLN. ALSO...THE LAST
THUNDERSTORM OF THE YEAR OCCURRED ON THE 12TH. THE MONTH SAW ONLY A
TRACE OF SNOW AT LINCOLN...WHICH IS BELOW NORMAL BUT NOT UNCOMMON.
TEMPERATURES WERE NEAR NORMAL...WITH A MONTHLY AVERAGE OF 39.1
DEGREES. TEMPERATURES WERE WELL ABOVE NORMAL EARLY IN THE
MONTH...ESPECIALLY ON THE 6TH TO 11TH...AND FELL BELOW NORMAL LATE
IN THE MONTH...ESPECIALLY ON THE 22ND TO 25TH. THANKSGIVING MORNING
WAS TIED WITH THE 23RD AS THE COLDEST OF THE MONTH. THE STRONGEST
WINDS OF THE YEAR WERE TIED ON THE 28TH...AT 59 MPH...AHEAD OF A
STRONG LOW PRESSURE SYSTEM.
MAINLY QUIET WEATHER IN DECEMBER WAS PUNCTUATED BY STRONG WINDS AND
LIGHT SNOW ON THE 11TH AND A WINTRY MIX OF PRECIPITATION ON THE
31ST. TEMPERATURES FLUCTUATED BETWEEN ABOVE AND BELOW NORMAL
READINGS THROUGHOUT THE MONTH...WITH THE RESULTING AVERAGE
TEMPERATURE OF 25.0 DEGREES COMING IN 1.5 DEGREES BELOW NORMAL. A
DEEPENING LOW PRESSURE SYSTEM MOVED ACROSS THE REGION ON THE
11TH...PRODUCING ONLY 0.6 INCHES OF SNOW. THIS WAS THE FIRST SNOW
OF THE WINTER...WELL BEYOND THE AVERAGE FIRST SNOW DATE OF NOVEMBER
17TH. HOWEVER...SIGNIFICANT WINDS OCCURRED THROUGHOUT THE
DAY...WITH WINDS PEAKING AT 58 MPH...GUSTS EXCEEDING 40 MPH FOR 10
CONSECUTIVE HOURS...AND VISIBILITIES BELOW ONE HALF MILE FOR 2
HOURS. THE WINDS WERE STRONGER AND MORE PERSISTENT THAN ANY OF THE
WINTER STORMS FROM 2009-10...AND IT IS FORTUNATE THAT THE AREA DID
NOT HAVE MORE SNOW ON THE GROUND OR RECEIVE MORE FRESH SNOW...OR THE
CONDITIONS COULD HAVE BEEN MUCH WORSE. THROUGH THE REST OF THE
MONTH...JUST A FEW LIGHT PRECIPITATION EVENTS OCCURRED. LINCOLN
OFFICIALLY DID NOT HAVE A WHITE CHRISTMAS...AS ONLY A TRACE OF SNOW
DEPTH WAS ON THE GROUND ON CHRISTMAS MORNING. THE YEAR ENDED WITH A
WINTRY MIX OF PRECIPITATION ON THE 31ST...WITH 0.7 INCHES OF SLEET
AND SNOW. OVERALL...LINCOLN RECEIVED 1.7 INCHES OF SNOW IN
DECEMBER...WHICH IS 4.0 INCHES BELOW NORMAL. THE 0.24 INCHES OF
LIQUID EQUIVALENT THROUGH THE MONTH WAS 0.62 INCHES BELOW NORMAL.
2010 STATISTICS
TEMPERATURE PRECIPITATION
MONTH AVG. DEPART. MAX MIN TOTAL DEPART. SNOW/SLEET TSTORM DAYS
JAN 18.0 -4.4 43 -15 0.82 0.15 7.1 0
FEB 22.6 -5.7 42 -2 0.99 0.33 7.4 0
MAR 41.0 1.6 78 15 1.77 -0.44 1.6 0
APR 55.6 4.4 85 25 2.53 -0.37 0 5
MAY 60.5 -1.5 89 35 3.70 -0.53 0 6
JUN 74.2 1.5 96 53 9.90 6.39 0 16
JUL 77.8 0.0 96 59 5.83 2.29 0 7
AUG 78.1 2.7 100 52 2.81 -0.54 0 7
SEP 66.3 0.3 92 42 3.73 0.81 0 6
OCT 55.4 1.9 91 25 0.13 -1.81 0 0
NOV 39.1 1.0 74 13 1.97 0.39 T 1
DEC 25.0 -1.5 59 30 0.24 -0.62 1.7 0
YEAR 51.1 0.0 100 -15 34.42 6.05 17.8 48
DEGREE DAYS
MONTH HEATING DEPART. COOLING DEPART.
JAN 1451 123 0 0
FEB 1181 138 0 0
MAR 739 -60 0 -1
APR 287 -138 16 3
MAY 208 54 75 19
JUN 0 -16 285 41
JUL 0 -1 402 12
AUG 0 -5 415 100
SEP 56 -44 103 -20
OCT 298 -79 10 -2
NOV 768 -38 0 0
DEC 1233 45 0 0
YEAR 6221 -21 1306 152
WIND GUST SEA LEVEL PRESSURE
MONTH MAX MAX MIN
JAN 51 30.74 29.31
FEB 43 30.38 29.91
MAR 41 30.46 29.34
APR 48 30.38 29.11
MAY 59 30.43 29.49
JUN 53 30.22 29.51
JUL 56 30.21 29.61
AUG 41 30.28 29.56
SEP 58 30.28 29.42
OCT 48 30.48 29.00
NOV 59 30.44 29.45
DEC 58 30.66 29.14
EXTREMES READING DATE
WARMEST HIGH TEMPERATURE 100 AUGUST 12
COLDEST HIGH TEMPERATURE 3 JANUARY 8
COLDEST LOW TEMPERATURE -15 JANUARY 4
WARMEST LOW TEMPERATURE 77 JUNE 26/ JULY 22
LAST SPRING FREEZE /32 DEGREES/ 32 APRIL 19
FIRST FALL FREEZE /32 DEGREES/ 30 OCTOBER 3
HIGHEST RAINFALL 2.53 SEPTEMBER 1
HIGHEST SNOWFALL 3.1 JANUARY 6
HIGHEST SNOW DEPTH 18 JANUARY 7-10
LAST MEASURABLE SNOW /2009-10/ 0.8 MARCH 19
FIRST MEASURABLE SNOW /2010-11/ 0.6 DECEMBER 11
HIGHEST WIND GUST 59 MAY 24/ NOVEMBER 28
HIGHEST SURFACE PRESSURE 30.74 JANUARY 9
LOWEST SURFACE PRESSURE 29.00 OCTOBER 25
DAILY RECORDS SET IN 2010
DATE RECORD PREVIOUS RECORD
JANUARY 6 SNOWFALL 3.1 3.0 /1995/
JUNE 13 RAINFALL 1.88 1.40 /1914/
OCTOBER 8 WARM MAX TEMP 91 90 /1934/
&&
MAYES/CZ/JEK
.