Climatological Report (Seasonal)
Issued by NWS La Crosse, WI
Issued by NWS La Crosse, WI
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000 CXUS53 KARX 012127 RRA CLSLSE CLIMATE REPORT NATIONAL WEATHER SERVICE LA CROSSE WI 326 PM CDT SUN MAR 1 2020 ...2019-20 METEOROLOGICAL WINTER SUMMARY FOR LA CROSSE WI... DURING METEOROLOGICAL WINTER (DECEMBER 1 THROUGH FEBRUARY 29), LA CROSSE REGIONAL AIRPORT WAS WARMER-THAN-NORMAL (24.5F OR 4F WARMER-THAN-NORMAL), PRECIPITATION WAS NEAR-NORMAL (3.49" OR 0.04" DRIER-THAN-NORMAL) AND SNOWFALL WAS NEAR-NORMAL (28.8" OR 1.4" BELOW-NORMAL). THE INFORMATION BELOW PROVIDES MORE DETAILS ON THESE STATISTICS. TEMPERATURES - TIED WITH 1959-60 FOR THE 21ST WARMEST FROM DECEMBER 1ST THROUGH FEBRUARY 29TH, THE AVERAGE TEMPERATURE AT LA CROSSE REGIONAL AIRPORT WAS 24.5F. THIS WAS 4F WARMER THAN THE 1981-2010 NORMAL OF 20.5F. THIS WAS TIED WITH 1959-60 FOR THE 21ST WARMEST WINTER. 4 OUT OF THE LAST 5 WINTERS HAVE BEEN WARMER-THAN-NORMAL. THE LONE EXCEPTION WAS LAST WINTER AND THAT WAS JUST 0.2F COLDER-THAN-NORMAL. THE AVERAGE MAXIMUM TEMPERATURE WAS 33.0F. THIS WAS 4.3F WARMER THAN THE 1981-2010 NORMAL OF 28.7F. THE AVERAGE MINIMUM TEMPERATURE WAS 16.0F. THIS WAS 3.8F WARMER THAN THE 1981-2010 NORMAL OF 12.2F. THE TABLE BELOW CONTAINS THE MONTHLY TEMPERATURES AND THEIR DEPARTURES FROM NORMAL FOR THE WINTER OF 2019-20. WINTER 2019-20 TEMPERATURES IN LA CROSSE WI AVERAGE DEPARTURE MONTH TEMPERATURE FROM NORMAL ----- ----------- ----------- DECEMBER 27.2F +5.6F JANUARY 24.1F +6.6F FEBRUARY 22.2F -0.3F WINTER 24.5F +4.0F THE WARMEST HIGH TEMPERATURE WAS 54F ON DECEMBER 29. THE COLDEST HIGH TEMPERATURE WAS 9F ON JANUARY 16. THE WARMEST LOW TEMPERATURE WAS 36F ON DECEMBER 29. THE COLDEST LOW TEMPERATURE WAS -16F ON FEBRUARY 14. THE DAILY AVERAGE TEMPERATURES WERE ABOVE NORMAL ON 61 DAYS (67%), BELOW NORMAL ON 27 DAYS (29.7%), AND NORMAL ON 3 DAYS (3.3%). THE TEMPERATURE FELL BELOW ZERO ON 12 DAYS. ON AVERAGE, THERE ARE 23 DAYS WITH SUB-ZERO TEMPERATURES IN A WINTER. THIS WAS THE LEAST SINCE THE 2016-17 WINTER WHEN THERE WAS JUST 10 DAYS. PRECIPITATION - SLIGHTLY DRIER-THAN-NORMAL FROM DECEMBER 1ST THROUGH FEBRUARY 29TH, LA CROSSE REGIONAL AIRPORT RECEIVED 3.49 OF PRECIPITATION. THIS WAS 0.04 DRIER THAN THE 1981-2010 WINTER NORMAL OF 3.53 INCHES. THE TABLE BELOW CONTAINS THE MONTHLY PRECIPITATION TOTALS AND THEIR DEPARTURES FROM NORMAL FOR THE WINTER OF 2019-20. WINTER 2019-20 PRECIPITATION IN LA CROSSE WI PRECIPITATION DEPARTURE MONTH TOTAL FROM NORMAL ----- ------------ ----------- DECEMBER 1.43 INCHES +0.07 INCHES JANUARY 1.01 INCHES -0.11 INCHES FEBRUARY 1.05 INCHES 0.00 INCHES WINTER 3.49 INCHES -0.04 INCHES THE WETTEST DAY WAS ON FEBRUARY 9 WHEN 0.74 OF PRECIPITATION FELL. PRECIPITATION FELL ON 42 DAYS (47.3%). MEASURABLE PRECIPITATION FELL ON 26 DAYS (28.6%). TRACE AMOUNTS OF PRECIPITATION FELL ON 17 DAYS (18.7%). SNOWFALL - SLIGHTLY LOWER-THAN-NORMAL FROM DECEMBER 1ST THROUGH FEBRUARY 29TH, THE SNOW OBSERVER NEAR LA CROSSE REGIONAL AIRPORT RECEIVED 28.8 OF SNOW. THIS WAS 1.4 LOWER THAN THE 1981-2010 NORMAL OF 30.2 INCHES. THE TABLE BELOW CONTAINS THE MONTHLY SNOWFALL TOTALS AND THEIR DEPARTURES FROM NORMAL FOR THE WINTER OF 2019-20. WINTER 2019-20 SNOWFALL IN LA CROSSE WI SNOWFALL DEPARTURE MONTH TOTAL FROM NORMAL ----- ------------ ----------- DECEMBER 5.0 INCHES -6.3 INCHES JANUARY 11.9 INCHES +1.2 INCHES FEBRUARY 11.9 INCHES +3.7 INCHES WINTER 28.8 INCHES -1.4 INCHES THE SNOWIEST DAY WAS 8.5 ON FEBRUARY 9. SNOW FELL ON 40 DAYS (44%). MEASURABLE SNOW FELL ON 21 DAYS (23.1%). A TRACE OF SNOW FELL ON ANOTHER 19 DAYS (20.9%). SNOW DEPTH - SLIGHTLY BELOW THE LONGTERM AVERAGE FROM DECEMBER 1ST THROUGH FEBRUARY 29TH, THE OFFICIAL SNOW OBSERVER NEAR LA CROSSE REGIONAL AIRPORT HAD AN AVERAGE SNOW DEPTH OF 3.7. THIS WAS 0.7 LESS THAN THE 1893-2020 LONG-TERM AVERAGE OF 4.4. THE GREATEST SNOW DEPTH WAS 11 ON FEBRUARY 10. THERE WAS SNOW ON THE GROUND ON 72 DAYS (79.1%) THIS WINTER. MEASURABLE SNOW WAS ON THE GROUND ON 64 DAYS (70.3%) AND TRACE AMOUNTS OF SNOW ON THE GROUND ON 8 DAYS (8.8%). DAYTIME CLOUDINESS - CLEAR - 33 DAYS - 36.3% PARTLY CLOUDY - 30 DAYS - 33% CLOUDY - 28 DAYS - 30.8% THE GREATEST STRETCH OF CLOUDY DAYS WAS 9 DAYS FROM JANUARY 23 TO JANUARY 31. LOOKING AT THE CLOUD DATA WHICH GOES BACK TO 1950 IN LA CROSSE, THIS IS ONLY THE 18TH TIME IN WHICH THERE HAS BEEN A SUNLESS STRETCH OF AT LEAST 9 DAYS. THE LAST TIME LA CROSSE WENT THAT LONG WITHOUT SEEING THE SUN WAS BACK IN NOVEMBER 1997 (NOVEMBER 1-10). WIND - MAXIMUM SUSTAINED - 29 MPH OUT OF THE WEST ON JANUARY 18 PEAK WIND GUST - 39 MPH OUT OF THE EAST ON DECEMBER 29 SEA LEVEL PRESSURE - HIGHEST - 30.92 INCHES OF MERCURY ON JANUARY 17 LOWEST - 29.34 INCHES ON MERCURY JANUARY 2 ................................... ...THE LA CROSSE WI CLIMATE SUMMARY FOR THE SEASON, FROM 12/1/2019 TO 2/29/2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1873 TO 2020 WEATHER OBSERVED NORMAL DEPART VALUE DATE(S) VALUE FROM NORMAL ................................................ TEMPERATURE (F) RECORD HIGH 67 12/05/1998 LOW -43 01/18/1873 HIGHEST 54 12/29 MM MM LOWEST -16 02/14 MM MM AVG. MAXIMUM 33.0 28.7 4.3 AVG. MINIMUM 16.0 12.2 3.8 MEAN 24.5 20.5 4.0 DAYS MAX >= 90 0 0.0 0.0 DAYS MAX <= 32 38 51.8 -13.8 DAYS MIN <= 32 86 85.4 0.6 DAYS MIN <= 0 12 19.4 -7.4 PRECIPITATION (INCHES) RECORD MAXIMUM MM MM MINIMUM MM MM TOTALS 3.49 3.53 -0.04 DAILY AVG. 0.04 0.04 0.00 DAYS >= .01 26 26.3 -0.3 DAYS >= .10 10 10.4 -0.4 DAYS >= .50 2 1.4 0.6 DAYS >= 1.00 0 0.2 -0.2 GREATEST 24 HR. TOTAL 0.74 MM STORM TOTAL MM (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL MM 5 24 HR TOTAL MM TOTALS 28.8 30.2 -1.4 LIQUID EQUIV 2.88 3.00 -0.12 SINCE 7/1 35.3 34.5 0.8 LIQUID 7/1 3.53 DAYS >= TRACE 40 21.2 18.8 DAYS >= 1.0 10 9.6 0.4 GREATEST SNOW DEPTH 11 02/10 24 HR TOTAL 8.5 MM STORM TOTAL MM (MM/DD(HH)) MM DEGREE_DAYS HEATING TOTAL 3664 4009 -345 SINCE 7/1 MM 5546 MM COOLING TOTAL 0 0 0 SINCE 1/1 0 0 0 FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST MM LATEST MM ................................................. WIND (MPH) AVERAGE WIND SPEED 7.7 HIGHEST WIND SPEED/DIRECTION 29/270 DATE 01/18 HIGHEST GUST SPEED/DIRECTION 39/080 DATE 12/29 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.50 NUMBER OF DAYS FAIR 36 NUMBER OF DAYS PC 24 NUMBER OF DAYS CLOUDY 31 AVERAGE RH (PERCENT) 70 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 2 LIGHT RAIN 6 FREEZING RAIN 0 LT FREEZING RAIN 2 HAIL 0 HEAVY SNOW 1 SNOW 7 LIGHT SNOW 40 SLEET 0 FOG 41 FOG W/VIS <= 1/4 MILE 9 HAZE 40 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ BOYNE