The 2021 May Climate Summary from the National Weather Service.
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CXUS53 KIWX 010610
CLMFWA
CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
210 AM EDT TUE JUN 01 2021
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...THE FORT WAYNE CLIMATE SUMMARY FOR THE MONTH OF MAY 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1897 TO 2021
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 97 05/28/2018
LOW 23 05/09/2020
HIGHEST 89 05/24 MM MM 91 05/26
LOWEST 31 05/01 MM MM 23 05/09
AVG. MAXIMUM 70.0 72.2 -2.2 69.4
AVG. MINIMUM 48.2 50.4 -2.2 47.9
MEAN 59.1 61.3 -2.2
DAYS MAX >= 90 0 1.1 -1.1 1
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 1 0.4 0.6 4
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.17 2011
MINIMUM 0.48 1925
TOTALS 4.67 4.58 0.09 3.68
DAILY AVG. 0.15 0.15 0.00 0.12
DAYS >= .01 8 13.7 -5.7 12
DAYS >= .10 5 8.1 -3.1 5
DAYS >= .50 3 2.8 0.2 3
DAYS >= 1.00 2 1.1 0.9 1
GREATEST
24 HR. TOTAL 1.85 05/09 TO 05/09
SNOWFALL (INCHES)
RECORDS
TOTAL 0.5 1940
TOTALS 0.0 0.0 0.0 T
SINCE 7/1 35.8 33.6 2.2 26.5
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL 0.0
DEGREE DAYS
HEATING TOTAL 249 177 72 246
SINCE 7/1 5713 5943 -230 5706
COOLING TOTAL 74 62 12 56
SINCE 1/1 77 70 7 56
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WIND (MPH)
AVERAGE WIND SPEED 8.5
HIGHEST WIND SPEED/DIRECTION 38/070 DATE 05/28
HIGHEST GUST SPEED/DIRECTION 49/070 DATE 05/28
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.63
NUMBER OF DAYS FAIR 5
NUMBER OF DAYS PC 13
NUMBER OF DAYS CLOUDY 13
AVERAGE RH (PERCENT) 65
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 3
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 11 FOG W/VIS <= 1/4 MILE 1
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
...FROSTY NIGHTS AND WELCOME RAIN...
AFTER A MILD START TO THE MONTH WHERE HIGH TEMPERATURES REACHED THE 70S AND 80S, TEMPERATURES QUICKLY TUMBLED THEREAFTER. THE AVERAGE TEMPERATURE DEPARTURE FROM THE 5TH THROUGH 15TH RANGED FROM 3 TO 18 DEGREES BELOW NORMAL. DURING THAT STRETCH, A NUMBER OF FROST ADVISORIES WERE ISSUED. PATIENCE PAID OFF AS SUMMER-LIKE TEMPERATURES RETURNED FOR THE 16TH TO 26TH WITH AN AVERAGE TEMPERATURE DEPARTURE AS GREAT AS 14 DEGREES ABOVE NORMAL (24TH). IN THE END THE, MONTH`S AVERAGE TEMPERATURE WAS 59.1 DEGREES. THIS IS 2.2 DEGREES BELOW NORMAL AND RANKS AS THE 50TH COLDEST MAY ON RECORD.
THIS MONTH, RAIN ONCE AGAIN FAVORED THE GREATER FORT WAYNE AREA INSTEAD OF THE THOSE TOWARD THE MICHIGAN STATELINE. FORT WAYNE RECEIVED 1.70 INCHES MORE PRECIPITATION THAN SOUTH BEND. THIS MONTH, RAIN ESSENTIALLY FELL IN TWO SPURTS: 1.85 INCHES ON THE 9TH (NEW DAILY RECORD, BREAKING THE PREVIOUS OF 1.51 INCHES IN 2003), AND 2.04 INCHES FROM THE 26TH THROUGH 28TH. NO MEASURABLE RAINFALL OCCURRED FROM THE 10TH THROUGH 25TH WHICH WORSENED DROUGHT CONDITIONS TEMPORARILY. THE MONTHLY TOTAL RAINFALL OF 4.67 INCHES IS 0.09 INCHES ABOVE NORMAL. THIS RANKS AS THE 32 WETTEST MAY ON RECORD.
BROWN
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