Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
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467 CXUS53 KIWX 011615 CLSSBN CLIMATE REPORT NATIONAL WEATHER SERVICE NORTHERN INDIANA 1215 PM EDT SAT JUN 01 2024 ................................... ...THE SOUTH BEND CLIMATE SUMMARY FOR THE SEASON, FROM 3/1/2024 TO 5/31/2024... 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 NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 97 05/27/2012 LOW -13 03/08/1943 HIGHEST 88 05/20 MM MM 92 05/21 LOWEST 21 03/20 MM MM 16 AVG. MAXIMUM 64.3 58.5 5.8 60.8 AVG. MINIMUM 42.7 37.5 5.2 39.1 MEAN 53.5 48.0 5.5 DAYS MAX >= 90 0 0.7 -0.7 2 DAYS MAX <= 32 0 3.6 -3.6 1 DAYS MIN <= 32 19 30.6 -11.6 29 DAYS MIN <= 0 0 0.1 -0.1 0 PRECIPITATION (INCHES) RECORD MAXIMUM 19.83 1976 MINIMUM 4.24 1971 TOTALS 12.10 10.04 2.06 10.00 DAILY AVG. 0.13 0.11 0.02 0.11 DAYS >= .01 44 39.2 4.8 39 DAYS >= .10 24 21.4 2.6 27 DAYS >= .50 8 6.8 1.2 5 DAYS >= 1.00 2 1.7 0.3 2 GREATEST 24 HR. TOTAL 1.44 SNOWFALL (INCHES) RECORDS TOTAL 34.6 1960 24 HR TOTAL 3.4 03/03/2023 TO 03/03/2023 TOTALS 0.4 7.8 -7.4 10.5 SINCE 7/1 30.3 64.5 -34.2 58.4 SNOWDEPTH AVG. T 0 DAYS >= TRACE 7 6.6 0.4 18 DAYS >= 1.0 0 2.3 -2.3 4 GREATEST SNOW DEPTH T 2 24 HR TOTAL 0.3 DEGREE DAYS HEATING TOTAL 1092 1624 -532 1427 SINCE 7/1 4931 6358 -1427 5433 COOLING TOTAL 61 55 6 64 SINCE 1/1 61 56 5 64 .............................................................. WIND (MPH) AVERAGE WIND SPEED 10.1 HIGHEST WIND SPEED/DIRECTION 36/250 DATE 05/20 HIGHEST GUST SPEED/DIRECTION 50/240 DATE 05/20 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.44 NUMBER OF DAYS FAIR 42 NUMBER OF DAYS PC 29 NUMBER OF DAYS CLOUDY 20 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 21 MIXED PRECIP 0 HEAVY RAIN 17 RAIN 26 LIGHT RAIN 45 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 1 LIGHT SNOW 6 SLEET 0 FOG 43 FOG W/VIS <= 1/4 MILE 4 HAZE 14 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...TOP 5 WARMEST SPRING ON RECORD... SPRING 2024 WILL CERTAINLY BE REMEMBERED AS BEING WARM AND WET, THANKS TO THE ONGOING TRANSITION FROM EL NINO TO LA NINA. MARCH, APRIL, AND MAY ALL HAD AVERAGE TEMPERATURES WELL ABOVE NORMAL. IT WASN`T JUST DAYTIME HIGHS THAT WERE WARM THIS SPRING, BUT ALSO THE LACK OF COOLING OVERNIGHT AS WELL. NUMEROUS DAYS OF OVERNIGHT LOWS IN THE 50S AND 60S HELPED CONTRIBUTE TO A WARMER THAN USUAL SPRING. OVERALL, THE AVERAGE TEMPERATURE FOR SPRING 2024 WAS 53.5 DEGREES, WHICH IS 5.5 DEGREES ABOVE NORMAL! THIS WAS THE 5TH WARMEST SPRING SINCE RECORDS BEGAN IN 1893 AND THE WARMEST SPRING SINCE 2012. UNLIKE THE FLASH DROUGHT THAT WAS ONGOING THIS TIME LAST YEAR, A SOGGY, WET SPRING THIS YEAR LED TO SEVERAL INSTANCES OF STANDING WATER IN FIELDS, LEADING TO A DELAY IN SPRING PLANTING FOR MANY AREA FARMERS. SOUTH BEND RECIEVED 12.10" OF PRECIPITATION THIS SPRING, WHICH WAS 2.06" ABOVE NORMAL. THIS WAS THE WETTEST SPRING SINCE SINCE 14.94" FELL IN 2014. SPRING 2024 IS THE 26TH WETTEST SPRING ON RECORD. SPRING SEVERE WEATHER PEAKED ON MAY 7TH WHEN SEVERE THUNDERSTORMS PRODUCED 7 TORNADOES, LARGE HAIL, AND DAMAGING WIND GUSTS. THIS WAS THE GREATEST SINGLE-DAY TORNADO OUTBREAK IN OUR FORECAST AREA SINCE 13 TORNADOES OCCURRED ON MARCH 31, 2023. UNSURPRISINGLY, DUE TO THE WARM TEMPERATURES, THERE WAS A LACK OF SNOWFALL THIS SPRING. A RECORD LACK OF ICE COVER ON THE GREAT LAKES KEPT SOUTH BEND MAINLY SNOW-FREE THIS SPRING. ONLY 0.4" WAS RECORDED, WHICH IS 7.4" BELOW NORMAL AND TIED FOR THE 4TH LEAST SNOWIEST SPRING ON RECORD. THIS WAS THE LEAST SNOWIEST SPRING SINCE ONLY A TRACE FELL IN SPRING 2010. A MONTH-BY-MONTH SUMMARY IS BELOW. MARCH 2024 ...A WET AND TOP 10 WARMEST START TO SPRING... MUCH LIKE FEBRUARY, ABOVE NORMAL TEMPERATURES CONTINUED THROUGH MARCH, ESPECIALLY DURING THE FIRST HALF OF THE MONTH. 14 OF THE FIRST 15 DAYS OF MARCH HAD AN AVERAGE TEMPERATURE ABOVE NORMAL. TYPICALLY, THERE ARE 5 DAYS WITH A HIGH TEMPERATURE AT OR ABOVE 60 DEGREES IN MARCH; THIS YEAR, THERE WERE 11 60+ DEGREE DAYS IN SOUTH BEND (THIS INCLUDES TWO DAYS WITH HIGHS IN THE 70S). OVERALL, THE AVERAGE TEMPERATURE FOR MARCH WAS 44.1 DEGREES, WHICH IS 7.4 DEGREES ABOVE NORMAL. THIS WAS THE WARMEST MARCH SINCE 2012. MARCH 2024 TIES FOR THE 8TH WARMEST MARCH ON RECORD. RECORDS DATE BACK TO 1897. ALTHOUGH MANY DAYS THIS MONTH DID NOT HAVE MEASURABLE PRECIPITATION, THE MONTH OVERALL WAS STILL ABOVE AVERAGE. THIS IS BECAUSE MUCH OF THE MONTH`S RAINFALL FELL IN THREE DAYS! MARCH 8TH AND MARCH 30TH HAD RAIN TOTALS JUST SHY OF AN INCH (0.98 AND 0.90 INCHES RESPECTIVELY). MARCH 14TH HAD THE HIGHEST DAILY RAINFALL TOTAL WITH 1.44"! THIS IS THE HIGHEST SINGLE DAY RAINFALL TOTAL IN MARCH SINCE 1.48" FELL ON MARCH 31, 2023. OVERALL, THE MONTH TOTALED 4.34 INCHES OF RAIN, WHICH IS 1.99 INCHES ABOVE NORMAL. THIS WAS THE 13TH WETTEST MARCH ON RECORD. DUE TO THE WARM TEMPERATURES, SNOWFALL WAS NOTABLY LACKING IN MARCH. ONLY 0.4" OF SNOW WAS MEASURED THROUGHOUT THE ENTIRE MONTH, WHICH IS 6.4" BELOW AVERAGE. THERE HAVE BEEN SEVERAL OCCASIONS WHERE ONLY A TRACE OF SNOW HAS BEEN RECORDED IN MARCH, SO THIS IS NOT A RECORD. MARCH 2024 RANKS AS THE 11TH LEAST SNOWIEST ON RECORD AND IS THE LEAST SNOWIEST MARCH SINCE 2021. NO RECORDS WERE SET THIS MONTH. APRIL 2024 ....15TH WARMEST, 35TH WETTEST APRIL ON RECORD.... IN TYPICAL SPRING FASHION, APRIL FEATURED LOTS OF TEMPERATURE SWINGS AND FLUCTUATIONS. THERE WERE 10 DAYS WITH HIGH TEMPERATURES 70+ DEGREES THIS MONTH, INCLUDING ONE DAY IN THE 80S. A HIGH TEMPERATURE OF 80 DEGREES WAS OBSERVED ON APRIL 27TH, MARKING THE FIRST 80+ DEGREE DAY IN SOUTH BEND. ON AVERAGE, THE FIRST 80+ DEGREE DAY OCCURS ON APRIL 25TH. IN ADDITION, THERE WERE 4 NIGHTS THIS MONTH WITH A LOW BELOW FREEZING, INCLUDING 2 NIGHTS WHERE A HARD FREEZE OCCURRED. A LOW TEMPERATURE OF 26 DEGREES OCCURRED ON APRIL 6TH AND A LOW OF 28 DEGREES OCCURRED ON APRIL 25TH. ON AVERAGE, THE LAST HARD FREEZE IN SOUTH BEND HAPPENS ON APRIL 15TH. OVERALL, THE MONTH FINISHED WITH AN AVERAGE TEMPERATURE OF 52,4 DEGREES, WHICH IS 4.3 DEGREES WARMER THAN NORMAL. THIS WAS THE 15TH WARMEST APRIL ON RECORD AND THE WARMEST APRIL SINCE 2010. A SERIES OF LOW PRESSURE SYSTEMS PASSING THROUGH THE MIDWEST LED TO A VERY WET AND SOGGY APRIL. THERE WAS A SHARP GRADIENT IN MONTHLY RAINFALL TOTALS IN NORTHERN INDIANA; BETWEEN FORT WAYNE AND SOUTH BEND (ABOUT 90 MILES APART), THERE WAS OVER 3 INCHES DIFFERENCE IN RAINFALL TOTALS! SOUTH BEND HAD THE WETTEST APRIL SINCE 2019. IN TOTAL, 4.27 INCHES OF RAIN FELL, WHICH IS 0.78 INCHES ABOVE AVERAGE AND RANKS AS THE 35TH WETTEST APRIL ON RECORD. THERE WAS ONLY A TRACE OF SNOW THIS MONTH, WHICH IS UNSURPRISING GIVEN THE WARM TEMPERATURES. THIS IS 1.0 INCHES BELOW AVERAGE. APRIL 2024 IS TIED FOR THE 6TH LEAST SNOWIEST APRIL ON RECORD. THE LAST TIME MEASURABLE SNOW OCCURRED IN APRIL WAS IN 2022. NO RECORDS WERE SET THIS MONTH. MAY 2024 ...WARMEST MAY IN SIX YEARS... PICKING UP WHERE APRIL ENDED, MAY BEGAN UNSEASONABLY WARM WITH HIGH TEMPERATURES EXCEEDING 80 DEGREES BY MAY 2ND AND AGAIN ON THE 4TH. THE MONTH WAS MILD OVERALL WITH ONLY THREE DATES RECORDING AN AVERAGE DAILY TEMPERATURE DEPARTURE BELOW NORMAL. A TOASTY 88 DEGREES WAS THE MAXIMUM TEMPERATURE RECORDED ON BOTH THE 20TH AND 21ST (FIVE DEGREES SHY OF A RECORD FOR BOTH DATES). THE AVERAGE TEMPERATURE FOR THE MONTH WAS XX.X DEGREES WHICH IS X.X DEGREES ABOVE NORMAL. THIS RANKS AS THE XX WARMEST ON RECORD AND IS THE WARMEST MAY IN SIX YEARS. SHOWERS AND THUNDERSTORMS WERE FREQUENT, WITH ONLY 11 DRY DAYS OBSERVED. DESPITE THIS, THE OBSERVED RAINFALL TOTAL OF 3.49 INCHES WAS ACTUALLY 0.71 INCHES BELOW NORMAL, RANKING AS THE 62ND WETTEST ON RECORD. THIS IS NOTABLY MORE MAY RAINFALL THAN THE 1.80 INCHES RECORDED LAST YEAR. NO RECORD WERE SET THIS MONTH. BROWN/JOHNSON $$