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Loading data from DCAthr ending on 2019-09-17
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Climate Perspectives
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Past Climatological Periods
At Washington Area in Washington, DC (DCAthr)
Period of record: 1871-01-01 to 2019-09-16 (current) - 149 Year(s)
Normals values based on 2010 normals data from Washington Reagan Ap in Arlington, VA (448906, 0.0 mi SSE)
This data was pregenerated on Wednesday, September 18th, 2019 at 1:32 AM EDT
Observations at DCAthr through 1:00AM EDT 09/17/2019
Additional observations from KDCA used from 1:52AM EDT 09/17/2019 to 11:52PM EDT 09/17/2019

Date(s)Data (%)
# of Obs Used
Avg High Temp (°F)Avg Low Temp (°F)Avg Mean Temp (°F)Total Precip (in)Most similar city
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Tuesday
Sep. 17th, 2019
100%
1 Hourly
Value82 °F68 °F75 °F0 inCharleston, SC
Max: 84.6 °F
Min: 67.1 °F
DFN+2.8 °F+5.9 °F+4.4 °F-0.1 in
RankingT-49th warmestT-20th warmestT-30th warmestT-1st driest
Similar DOY
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Sep 9Aug 29Sep 4-
Past 2 Days
09/16/19 - 09/17/19
100%
1 Daily
1 Hourly
Value87 °F68 °F77.5 °F0 inSavannah, GA
Max: 86 °F
Min: 67.8 °F
DFN+7.7 °F+5.7 °F+6.7 °F-0.3 in
RankingT-13th warmestT-17th warmest13th warmestT-1st driest
Similar DOY
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Aug 13-Aug 14Aug 29-Aug 30Aug 23-Aug 24-
Past Week
09/11/19 - 09/17/19
100%
6 Daily
1 Hourly
Value87.4 °F69.7 °F78.6 °F0.04 inJacksonville, FL
Max: 87.3 °F
Min: 70.1 °F
DFN+7.2 °F+6.5 °F+6.8 °F-0.9 in
RankingT-7th warmest5th warmestT-5th warmestT-35th driest
Similar DOY
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Aug 4-Aug 10Aug 15-Aug 21Aug 11-Aug 17-
Past 2 Weeks
09/04/19 - 09/17/19
100%
13 Daily
1 Hourly
Value86.4 °F68.9 °F77.6 °F0.06 inCharleston, SC
Max: 86 °F
Min: 68.7 °F
DFN+5.0 °F+4.5 °F+4.7 °F-1.6 in
Ranking13th warmest7th warmest8th warmest9th driest
Similar DOY
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Aug 12-Aug 25Aug 18-Aug 31Aug 15-Aug 28-
Month to Date
09/01/19 - 09/17/19
100%
16 Daily
1 Hourly
Value86.5 °F69.3 °F77.9 °F0.11 inCharleston, SC
Max: 86.3 °F
Min: 69 °F
DFN+4.7 °F+4.4 °F+4.5 °F-1.9 in
RankingT-11th warmest7th warmest8th warmest8th driest
Similar DOY
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Aug 9-Aug 25Aug 13-Aug 29Aug 11-Aug 27-
Past 3 Weeks
08/28/19 - 09/17/19
100%
20 Daily
1 Hourly
Value86.7 °F69 °F77.8 °F0.13 inCharleston, SC
Max: 86.6 °F
Min: 69.4 °F
DFN+4.3 °F+3.5 °F+3.9 °F-2.2 in
Ranking15th warmestT-12th warmest11th warmest4th driest
Similar DOY
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Aug 5-Aug 25Aug 13-Sep 2Aug 10-Aug 30-
Past Month
08/18/19 - 09/17/19
100%
30 Daily
1 Hourly
Value86.9 °F69.4 °F78.2 °F0.88 inWilmington, NC
Max: 86.2 °F
Min: 69 °F
DFN+3.4 °F+2.8 °F+3.1 °F-2.4 in
RankingT-11th warmest11th warmestT-8th warmest9th driest
Similar DOY
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Jul 28-Aug 27Aug 4-Sep 3Aug 1-Aug 31-
Past Three Months
06/18/19 - 09/17/19
100%
91 Daily
1 Hourly
Value89.2 °F71.6 °F80.4 °F10.08 inCharleston, SC
Max: 89.5 °F
Min: 71.8 °F
DFN+2.9 °F+2.5 °F+2.7 °F-0.2 in
Ranking7th warmest6th warmest5th warmest56th driest
Past Six Months
03/18/19 - 09/17/19
100%
183 Daily
1 Hourly
Value81.8 °F63.9 °F72.9 °F22.16 inAtlanta, GA
Max: 82.1 °F
Min: 63.3 °F
DFN+3.0 °F+3.2 °F+3.1 °F+0.9 in
Ranking5th warmest3rd warmest3rd warmest72nd driest
Year to Date
01/01/19 - 09/17/19
100%
259 Daily
1 Hourly
Value72 °F54.9 °F63.4 °F30.9 inNorfolk, VA
Max: 70.4 °F
Min: 54.1 °F
DFN+2.5 °F+2.9 °F+2.7 °F+2.5 in
RankingT-4th warmest3rd warmestT-3rd warmest65th wettest
Past Year
09/18/18 - 09/17/19
100%
364 Daily
1 Hourly
Value68.6 °F52.6 °F60.6 °F50.05 inNorfolk, VA
Max: 68.3 °F
Min: 52.1 °F
DFN+1.8 °F+2.9 °F+2.4 °F+10.3 in
Ranking10th warmest3rd warmest5th warmest14th wettest
Past 2 Years
09/18/17 - 09/17/19
100%
729 Daily
1 Hourly
Value68.5 °F52.2 °F60.4 °F101.7 inNorfolk, VA
Max: 68.3 °F
Min: 52.1 °F
DFN+1.8 °F+2.5 °F+2.2 °F+22.2 in
RankingT-7th warmestT-2nd warmest5th warmest8th wettest
Data from midnight (00:00:00) of the start date until 11:59:59 PM (23:59:59) of the end date
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