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July 2012 General Discussion


Tropical

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Only July 22nd, I had recorded 0.11" for the month. I'll finish the month of July with 4.01", aided by a 2.01" downpour today. Convection has a way of changing the narrative of a month on a dime.

Just in time for my vacation in 2 weeks, some rain now to green things up.

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As posted in the Chicago record thread...

July 2012 will finish as the 3rd warmest July on record. It will also finish as the 3rd warmest month and only the 4th month to feature an 80+ average on record. July 2012 will also finish with 18 90+ days, which is the 2nd most on record for July and the 2nd most on record for any month. All 31 days during the month featured a high temp of 80+, which ties for the most on record.

Most 90+ Days In Any Month (Also July Records):

19 - July 1987

19 - July 1955

...July 2012 - 18...

Most 80+ Days In July:

1. 31 - 2012

1. 31 - 1955

3. 30 - 2010

3. 30 - 1999

5. 29 - 1944

July Temps:

1. 81.3 - 1955

2. 81.2 - 1921

3. 81.1 - 2012

4. 79.0 - 2011

5. 78.5 - 1977

5. 78.5 - 1916

7. 78.4 - 1999

8. 78.3 - 1966

9. 77.8 - 1949

10. 77.7 - 2010

All Time Warmest Months:

1. 81.3 - July 1955

2. 81.2 - July 1921

3. 81.1 - July 2012

4. 80.2 - August 1947

5. 79.0 - July 2011

5. 79.0 - August 1995

7. 78.7 - August 1959

7. 78.7 - August 1955

9. 78.5 - July 1977

9. 78.5 - July 1916

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DTW will finish July with a mean temp of 79.0F, which will tie July 1955 and 1921 for 2nd hottest July (behind July 2011, 79.3F).

Top 5 Hottest Julys at Detroit below. For 2011 and 2012, I put DET's numbers in parenthesis, because though unofficial, its interesting to note the difference here in 2012. The AVERAGE high at DET was a startling 2.1F COOLER than at DTW (the average low was 0.3F warmer). Clearly all those days I either wondered how the heck DTW managed to get as high as it did, or joked about stat-padding degrees, showed up in the averages. This will officially tie with 1921/1955 for #2 hottest July, though DET (where 1921/1955 temps were taken) would have placed 4th hottest.

JULY 2011:

Avg High: 89.3 - (((DET - 88.6)))

Avg Low: 69.3 - (((DET - 68.8)))

Mean: 79.3 - (((DET - 79.2)))

JULY 2012:

Avg High: 89.6 - (((DET - 87.5)))

Avg Low: 68.4 - (((DET - 68.7)))

Mean: 79.0 - (((DET - 78.1)))

JULY 1955:

Avg High: 89.6

Avg Low: 68.5

Mean: 79.0

JULY 1921

Avg High: 87.6

Avg Low: 70.5

Mean: 79.0

JULY 1916

Avg High: 87.2

Avg Low: 68.6

Mean: 77.9

Interesting note...the official numbers for July 1955 and July 2012 were almost EXACT matches:

Cumulative High temp: 2779 (1955) - 2779 (2012)

Cumulative Low temp: 2122 (1955) - 2121 (2012)

Of course, 1955 was at DET, and as we see, 2012 numbers at unofficial DET are nearly a degree cooler. 2012 saw THREE days hit 100F+ to 1955s ONE, but on the flip side 1955 saw a record 17 days of 90F+, while 2012 saw "only" 13 such days at DTW and in fact only 10 days at DET.

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DLL: Kudos to your daughter! haha

Yeah probably ran the AC 28 or 29 days this month.

Total rainfall: 3.96" - about normal.

Average High: 87.7°, low: 67.8°. 77.82° overall. +6.58°

High 81° today, with lower dewpoints and a nice breeze made it one of the more enjoyable days of the month.

47 minutes of daylight lost so far.

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