Climatological Report (Monthly)
Issued by NWS
Issued by NWS
674 CXUS53 KIWX 010954 CLMSBN CLIMATE REPORT NATIONAL WEATHER SERVICE NORTHERN INDIANA 454 AM EST THU FEB 01 2024 ................................... ...THE SOUTH BEND CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2024... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1893 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 68 01/25/1950 LOW -22 01/20/1943 01/25/1897 HIGHEST 41 01/25 MM MM 60 01/03 01/27 LOWEST -9 01/14 MM MM 5 01/31 01/15 AVG. MAXIMUM 31.4 31.2 0.2 39.1 AVG. MINIMUM 22.1 17.0 5.1 28.7 MEAN 26.7 24.1 2.6 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 9 16.8 -7.8 7 DAYS MIN <= 32 22 27.6 -5.6 20 DAYS MIN <= 0 6 3.2 2.8 0 PRECIPITATION (INCHES) RECORD MAXIMUM 5.34 2008 MINIMUM 0.44 1945 TOTALS 4.53 2.66 1.87 2.41 DAILY AVG. 0.15 0.09 0.06 0.08 DAYS >= .01 20 16.8 3.2 17 DAYS >= .10 13 7.0 6.0 6 DAYS >= .50 2 1.2 0.8 1 DAYS >= 1.00 1 0.3 0.7 0 GREATEST 24 HR. TOTAL 1.03 01/09 TO 01/09 SNOWFALL (INCHES) RECORDS TOTAL 86.1 1978 TOTALS 22.2 21.6 0.6 7.5 SINCE 7/1 27.1 40.6 -13.5 46.6 SNOWDEPTH AVG. 3 1 DAYS >= 1.0 5 6.6 -1.6 2 GREATEST SNOW DEPTH 10 01/20 24 HR TOTAL 6.1 01/13 TO 01/13 DEGREE DAYS HEATING TOTAL 1179 1268 -89 957 SINCE 7/1 3065 3675 -610 3225 COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 0 ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.6 HIGHEST WIND SPEED/DIRECTION 31/220 DATE 01/13 HIGHEST GUST SPEED/DIRECTION 46/230 DATE 01/13 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.83 NUMBER OF DAYS FAIR 5 NUMBER OF DAYS PC 2 NUMBER OF DAYS CLOUDY 24 AVERAGE RH (PERCENT) 81 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 5 LIGHT RAIN 11 FREEZING RAIN 0 LT FREEZING RAIN 3 HAIL 0 HEAVY SNOW 2 SNOW 4 LIGHT SNOW 18 SLEET 0 FOG 23 FOG W/VIS <= 1/4 MILE 9 HAZE 15 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && JANUARY 2024 ...WETTEST JANUARY IN 11 YEARS;10TH WETTEST JANUARY ON RECORD... THIS MONTH HAD IT ALL: A RECORD COLD HIGH TEMPERATURE, RECORD DAILY PRECIPITATION AND SNOWFALL, AND A SIGNIFICANT LAKE EFFECT SNOW EVENT. THE FIRST 12 DAYS OF JANUARY WERE MILD, WITH AN AVERAGE DAILY TEMPERATURE AS GREAT AS 11 DEGREES ABOVE NORMAL (JANUARY 9TH). BY THE END OF THAT PERIOD, THE AVERAGE TEMPERATURE FOR THE MONTH (32.3 DEGREES) WAS 7.3 DEGREES ABOVE NORMAL WHICH RANKS AS THE 25TH WARMEST ON RECORD. AS THE POLAR VORTEX WEAKENED, COLD AIR BLASTED INTO THE REGION. FROM THE 13TH THROUGH 21ST, THE AVERAGE DAILY TEMPERATURE WAS AS MUCH AS 26 DEGREES BELOW NORMAL (JANUARY 15TH). HIGH TEMPERATURES WERE IN THE SINGLE DIGITS AT TIMES AND OVERNIGHT LOWS WERE BELOW ZERO. THE COLDEST TEMPERATURE OF THE MONTH, -9 ON THE 14TH AND 15TH, WAS THE COLDEST TEMPERATURE RECORDED AT SOUTH BEND SINCE -20 DEGREES ON JANUARY 31, 2019 (NOTE: A LOW OF -8 WAS RECORDED ON DECEMBER 23, 2022). THIS CHILL WAS SHORT LIVED AS ABOVE- NORMAL TEMPERATURES RETURNED TO END THE MONTH. THE MONTH ENDED WITH AN AVERAGE TEMPERATURE OF 26.7 DEGREES WHICH IS 2.6 DEGREES ABOVE NORMAL. THIS RANKS AS THE 49TH WARMEST JANUARY ON RECORD. RECORDS BEGAN IN 1893. ONE TEMPERATURE RECORD WAS SET THIS MONTH. THE HIGH OF 6 DEGREES ON THE 14TH BROKE THE PREVIOUS DAILY COLDEST HIGH TEMPERATURE RECORD OF 7 DEGREES SET IN 1929. AS THE ARCTIC AIR ARRIVED AND SUBSEQUENTLY DEPARTED, A COUPLE EPISODES OF SNOW OCCURRED TOTALING 22.2 INCHES FOR THE MONTH. THIS IS 0.6 INCHES ABOVE NORMAL AND RANKS AS THE 37TH MOST ON RECORD. THIS IS NOTABLY MORE THAN THE PALTRY 7.5 INCHES THAT WERE RECORD IN JANUARY 2023. SNOW ON THE 9TH WAS NOTABLE BECAUSE A PRECIPITATION RECORD OF 1.03" OCCURRED THAT DAY PAIRED WITH 2.3 INCHES OF HEAVY WET SNOW. THIS WAS A RESULT OF RAIN CHANGING TO SNOW. STANDING WATER WAS TRAPPED BENEATH THIS "CONCRETE SNOW" MAKING FOR SOUPY, SLOPPY CONDITIONS THROUGHOUT THE REGION. LATER IN THE MONTH, A DOMINANT LAKE EFFECT SNOW BAND DEVELOPED AND DROPPED NEARLY 3` (UNOFFICIAL MEASUREMENT) OF SNOW IN THE LAPORTE AND MICHIGAN CITY AREA. THE CO-OP SITE AT LAPORTE HAD A TWO-DAY TOTAL OF 32.4 INCHES ENDING EARLY IN THE MORNING ON THE 20TH. AS PART OF THIS LAKE EFFECT SNOW, SOUTH BEND RECORDED A NEW DAILY SNOWFALL RECORD OF 5.9 INCHES ON THE 19TH. THIS BROKE THE PREVIOUS DAILY RECORD OF 5.7 INCHES SET IN 2012. LASTLY, PRECIPITATION FOR THE MONTH TOTALED AN IMPRESSIVE 4.53 INCHES. THIS IS 1.87 INCHES ABOVE NORMAL AND TIES 1916 AS THE 10TH WETTEST ON RECORD. THIS WAS THE WETTEST JANUARY SINCE 4.82 INCHES IN JANUARY 2020. FOR PERSPECTIVE, THIS MONTHLY TOTAL IS COMPARABLE TO THE NORMAL PRECIPITATION AMOUNT FOR MAY: 4.20 INCHES. BROWN/JOHNSON $$