National Weather Service Text Product
AFOS product CLMFWA
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLMFWA
Product Timestamp: 2025-10-01 09:23 UTC
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861
CXUS53 KIWX 010923
CLMFWA
CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
523 AM EDT WED OCT 01 2025
...................................
...THE FORT WAYNE CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1897 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 100 09/02/1953
09/01/1953
LOW 29 09/23/1995
09/29/1951
HIGHEST 90 09/19 MM MM 92 09/21
09/20
LOWEST 36 09/08 MM MM 40 09/08
AVG. MAXIMUM 80.7 76.1 4.6 81.2
AVG. MINIMUM 52.5 53.4 -0.9 55.9
MEAN 66.6 64.8 1.8
DAYS MAX >= 90 2 1.5 0.5 2
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.1 -0.1 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.44 1933
MINIMUM 0.34 1979
TOTALS 0.98 3.04 -2.06 1.42
DAILY AVG. 0.03 0.10 -0.07 0.05
DAYS >= .01 7 9.1 -2.1 7
DAYS >= .10 4 5.6 -1.6 4
DAYS >= .50 0 2.2 -2.2 1
DAYS >= 1.00 0 0.8 -0.8 0
GREATEST
24 HR. TOTAL 0.37 09/21 TO 09/21
SNOWFALL (INCHES)
RECORDS
TOTAL T 2003
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 0.0
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 47 94 -47 22
SINCE 7/1 71 106 -35 30
COOLING TOTAL 103 86 17 138
SINCE 1/1 972 837 135 1002
................................................................
WIND (MPH)
AVERAGE WIND SPEED 5.3
HIGHEST WIND SPEED/DIRECTION 28/280 DATE 09/05
HIGHEST GUST SPEED/DIRECTION 36/290 DATE 09/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.39
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 3
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 3
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
NEAR-RECORD COLD START GIVES WAY TO UNSEASONABLE WARMTH AND DROUGHT.
A COLD FRONT AND SUBSEQUENT HIGH PRESSURE IN LATE AUGUST BROUGHT A
STRETCH OF BELOW NORMAL TEMPERATURES THAT SPILLED INTO SEPTEMBER. A
REINFORCING DOSE OF COLD AIR ARRIVED FOR SEPTEMBER 4TH, WHEN THE
OBSERVED DAILY AVERAGE TEMPERATURE OF 58 WAS 10 DEGREES BELOW
NORMAL. THE FIRST 10 DAYS OF THE MONTH WAS THE 3RD COLDEST ON RECORD
WITH AN AVERAGE TEMPERATURE OF 60.8 DEGREES. TWO RECORD LOWS WERE
BROKEN: 39 DEGREES ON THE 7TH (PREVIOUS RECORD 41 SET IN 1962) AND
36 DEGREES ON THE 8TH (PREVIOUS RECORD 39 SET IN 1986). BY MID-
MONTH, STRONG UPPER-LEVEL RIDGING WAS PROMINENT WHICH BROUGHT
ANOMALOUS HEAT AND VERY LITTLE RAINFALL. IN FACT, THE FINAL 20 DAYS
OF THE MONTH RANKED AS THE 4TH WARMEST ON RECORD WITH AN AVERAGE
TEMPERATURE OF 69.5 DEGREES. RECORD LOW TEMPERATURES WERE SET ON THE
7TH AND THE 8TH WHEREAS A RECORD HIGH TEMPERATURE WAS SET ON THE
28TH.
THE UNSEASONABLE WARMTH PAIRED WITH DRY CONDITIONS RESULTED IN A
RAPID DEGRADATION OF DROUGHT CONDITIONS THROUGH THE MONTH. ON
SEPTEMBER 2, THE US DROUGHT MONITOR INDICATED ABOUT 17% OF THE
NORTHERN INDIANA FORECAST AREA WAS EXPERIENCING MODERATE DROUGHT
(D1) OR WORSE. BY SEPTEMBER 23, THAT NUMBER WAS 71%. CREEK, POND,
AND STREAM LEVELS ARE EXPERIENCING VERY LOW FLOW. ADDITIONAL DROUGHT
IMPACTS INCLUDE TREES DROPPING LEAVES EARLY AND SOYBEANS ARE
STRESSED, FAILING TO FILL THEIR PODS IN SOME INSTANCES.
MEASURABLE RAINFALL OCCURRED ON ONLY SEVEN DAYS THIS MONTH, TOTALING
0.98 INCHES. THIS RANKS AS THE 11TH DRIEST ON RECORD, AND THE DRIEST
SINCE 0.44 INCHES IN 1995.
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 66.6 DEGREES AND RANKS AS
THE 39TH WARMEST ON RECORD.
BROWN
$$