Climatological Report (Annual)
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
000
CXUS54 KMRX 041617
CLACHA
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
1117 AM EST MON JAN 04 2021
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...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1879 TO 2021
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 107 07/01/2012
06/30/2012
LOW -10 01/21/1985
01/31/1966
02/13/1899
HIGHEST 98 07/18 71 27 103 09/13
LOWEST 19 12/26 49 -30 19 01/21
AVG. MAXIMUM 73.5 71.7 1.8 74.6
AVG. MINIMUM 53.7 50.1 3.6 53.5
MEAN 63.6 60.9 2.7 64.1
DAYS MAX >= 90 65 47.7 17.3 95
DAYS MAX <= 32 1 2.6 -1.6 0
DAYS MIN <= 32 35 58.3 -23.3 35
DAYS MIN <= 0 0 0.1 -0.1 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 73.70 1994
MINIMUM 32.68 1904
TOTALS 72.67 52.48 20.19 63.16
DAILY AVG. 0.20 0.14 0.06 0.17
DAYS >= .01 140 119.6 20.4 129
DAYS >= .10 96 81.7 14.3 91
DAYS >= .50 46 36.5 9.5 39
DAYS >= 1.00 22 15.7 6.3 20
GREATEST
24 HR. TOTAL 4.12 0MM24 TO 09/25 3.27
STORM TOTAL 3.91 MM
(MM/DD(HH)) MM
SNOWFALL (INCHES)
TOTALS 2.7 3.9 -1.2
SINCE 7/1 T
SNOWDEPTH AVG. T
DAYS >= TRACE 9
DAYS >= 1.0 1
GREATEST
SNOW DEPTH 1 02/08
24 HR TOTAL 2.7
DEGREE DAYS
HEATING TOTAL 2513 3239 -726
SINCE 7/1 1011 1285 -274
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WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 46/290 DATE 04/12
HIGHEST GUST SPEED/DIRECTION 62/280 DATE 04/12
SKY COVER
AVERAGE SKY COVER 0.55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 71 MIXED PRECIP 0
HEAVY RAIN 62 RAIN 83
LIGHT RAIN 163 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 2
LIGHT SNOW 8 SLEET 1
FOG 188 FOG W/VIS <= 1/4 MILE 15
HAZE 46
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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