OC, where is that attendance thread that you keep? I find it fascinating but not enough to keep track of it apparently.
It isn't a thread on here but is a list, updated after each home match, that I store on my office computer - here's the full list - enjoy!
NATIONALS PARK HOME MATCHES RANKED BY ANNOUNCED ATTENDANCE – complete through 03.VI.2012
44,685 Saturday 20th August 2011 vs Phillies
42,331 Saturday 19th May 2012 vs Orioles [highest of 2012 to date]
41,985 Thursday 25th June 2009 vs Red Sox [highest of 2009]
41,918 Sunday 20th May 2012 vs Orioles
41,727 Sunday 21st August 2011 vs Phillies
41,530 Wednesday 24th June 2009 vs Red Sox
41,517 Tuesday 23rd June 2009 vs Red Sox
41,290 Monday 5th April 2010 vs Phillies [season/home opener; highest of 2010]
41,042 Saturday 2nd June 2012 vs Braves
40,907 Thursday 12th April 2012 vs Reds [home opener]
40,386 Monday 13th April 2009 vs Phillies [home opener]
40,325 Friday 18th June 2010 vs White Sox [Strasburg start]
40,315 Tuesday 8th June 2010 vs Pirates [Strasburg debut]
40,043 Tuesday 27th July 2010 vs Braves [Strasburg start]
39,824 Sunday 29th June 2008 vs Orioles [highest attendance of 2008]
39,638 Saturday 2nd July 2011 vs Pirates [‘traditional doubleheader’]
39,496 Saturday 5th May 2012 vs Phillies
39,479 Saturday 28th June 2008 vs Orioles
39,434 Sunday 30th March 2008 vs Braves [season/home opener, ballpark debut]
39,214 Saturday 3rd July 2010 vs Mets [Strasburg start]
39,055 Thursday 31st March 2011 vs Braves [season/home opener]
38,049 Saturday 31st July 2010 vs Phillies
38,046 Sunday 3rd June 2012 vs Braves
37,841 Friday 19th August 2011 vs Phillies
37,638 Sunday 25th September 2011 vs Braves [home finale]
36,680 Friday 18th May 2012 vs Orioles
36,614 Saturday 18th June 2011 vs Orioles
36,487 Saturday 19th June 2010 vs White Sox
36,014 Saturday 18th July 2009 vs Cubs
35,830 Friday 27th June 2008 vs Orioles
35,807 Sunday 1st August 2010 vs Phillies
35,567 Sunday 25th May 2008 vs Brewers
35,562 Friday 17th June 2011 vs Orioles
35,489 Saturday 14th April 2012 vs Reds
35,439 Sunday 19th June 2011 vs Orioles
35,414 Saturday 30th July 2011 vs Mets
35,188 Saturday 26th April 2008 vs Cubs
35,154 Friday 25th April 2008 vs Cubs
34,821 Saturday 3rd September 2011 vs Mets
34,789 Monday 30th May 2011 vs Phillies [Memorial Day]
34,723 Friday 9th July 2010 vs Giants [Strasburg start]
34,574 Sunday 19th July 2009 vs Cubs
34,377 Friday 4th May 2012 vs Phillies [Strasburg start]
34,128 Saturday 3rd May 2008 vs Pirates
34,039 Tuesday 29th July 2008 vs Phillies
33,986 Saturday 24th September 2011 vs Braves
33,982 Friday 3rd July 2009 vs Braves [Independence Day observed]
33,795 Sunday 27th April 2008 vs Cubs
33,774 Friday 4th June 2010 vs Reds [Strasburg debut rumour]
33,653 Friday 11th July 2008 vs Astros
33,247 Saturday 17th September 2011 vs Marlins [Strasburg start]
33,058 Sunday 6th May 2012 vs Phillies
32,975 Saturday 21st June 2008 vs Rangers
32,939 Sunday 3rd August 2008 vs Reds
32,937 Monday 4th July 2011 vs Cubs
32,764 Wednesday 23rd April 2008 vs Mets
32,690 Sunday 22nd June 2008 vs Rangers
32,590 Friday 30th July 2010 vs Phillies
32,534 Saturday 12th April 2008 vs Braves
32,357 Thursday 5th June 2008 vs Cardinals [Game 2]
32,186 Tuesday 12th August 2008 vs Mets
31,913 Wednesday 22nd June 2010 vs Royals [Strasburg start]
31,841 Sunday 7th June 2009 vs Mets
31,833 Saturday 23rd May 2009 vs Orioles
31,798 Wednesday 30th July 2008 vs Phillies
31,763 Sunday 20th June 2010 vs White Sox
31,658 Thursday 31st July 2008 vs Phillies
31,467 Sunday 17th August 2008 vs Rockies
31,463 Sunday 13th July 2008 vs Astros
31,456 Saturday 6th June 2009 vs Mets
31,090 Sunday 31st August 2008 vs Braves
31,058 Thursday 14th August 2008 vs Mets
30,970 Saturday 2nd August 2008 vs Reds
30,935 Saturday 10th September 2011 vs Astros
30,880 Sunday 24th May 2009 vs Orioles
30,814 Wednesday 13th August 2008 vs Mets
30,688 Saturday 28th August 2010 vs Cardinals
30,682 Saturday 12th July 2008 vs Astros
30,652 Saturday 7th June 2008 vs Giants
30,572 Friday 1st August 2008 vs Reds
30,564 Sunday 4th May 2008 vs Pirates
30,359 Friday 20th June 2008 vs Rangers
30,326 Saturday 30th August 2008 vs Braves
30,290 Saturday 22nd May 2010 vs Orioles
30,263 Sunday 29th July 2010 vs Braves
30,224 Sunday 8th June 2008 vs Giants
30,114 Friday 29th July 2011 vs Mets
30,029 Saturday 24th May 2008 vs Brewers
29,750 Thursday 24th April 2008 vs Mets
29,679 Sunday 4th September 2011 vs Mets
29,608 Sunday 21st September 2008 vs Padres
29,577 Sunday 17th May 2009 vs Phillies
29,457 Wednesday 30th April 2008 vs Braves
29,441 Saturday 9th July 2011 vs Rockies
29,234 Sunday 4th July 2010 vs Mets
29,180 Wednesday 25th June 2008 vs Angels
29,092 Tuesday 6th September 2011 vs Dodgers [Strasburg return amid rain]
29,091 Sunday 13th April 2008 vs Braves
29,058 Saturday 26th September 2009 vs Braves
[29,005 – 2008 SEASON AVERAGE]
28,909 Saturday 16th August 2008 vs Rockies
28,817 Friday 23rd September 2011 vs Braves
28,766 Saturday 30th April 2011 vs Giants
28,663 Saturday 10th May 2008 vs Marlins
28,600 Friday 19th September 2008 vs Padres
28,552 Monday 26th May 2008 vs Brewers [Memorial Day]
28,531 Tuesday 24th June 2008 vs Angels
28,393 Monday 1st September 2008 vs Phillies [Labour Day]
[28,308 - 2012 SEASON AVERAGE to date]
28,276 Friday 25th September 2009 vs Braves
28,105 Tuesday 20th May 2008 vs Phillies
28,055 Wednesday 21st May 2008 vs Phillies
28,030 Friday 11th April 2008 vs Braves
28,007 Friday 23rd May 2008 vs Brewers
27,965 Friday 15th August 2008 vs Rockies
27,907 Friday 2nd September 2011 vs Mets
27,840 Sunday 27th September 2009 vs Braves
27,581 Friday 17th July 2009 vs Cubs
27,535 Sunday 23rd May 2010 vs Orioles
27,474 Saturday 20th September 2008 vs Padres
27,378 Friday 21st May 2010 vs Orioles
27,330 Thursday 10th July 2008 vs Diamondbacks
27,264 Thursday 5th June 2008 vs Cardinals [Game 1 – make-up of rain-out]
27,240 Wednesday 7th April 2010 vs Phillies
27,202 Sunday 6th May 2010 vs Reds
27,130 Wednesday 15th June 2011 vs Cardinals
26,980 Thursday 16th July 2009 vs Cubs
26,959 Friday 13th April 2012 vs Reds
26,875 Tuesday 3rd June 2008 vs Cardinals
26,820 Tuesday 8th July 2008 vs Diamondbacks
26,745 Saturday 21st April 2012 vs Marlins [Strasburg start]
26,739 Tuesday 14th June 2011 vs Cardinals
26,610 Sunday 21st June 2009 vs Blue Jays
26,581 Sunday 11th September 2011 vs Marlins
26,338 Thursday 28th August 2008 vs Dodgers
26,307 Friday 21st August 2009 vs Brewers
26,209 Monday 9th June 2008 vs Giants
26,110 Tuesday 26th August 2008 vs Dodgers
26,001 Friday 2nd May 2008 vs Pirates
25,987 Friday 6th June 2008 vs Giants
25,942 Wednesday 16th May 2012 vs Pirates
25,939 Tuesday 10th August 2010 vs Marlins [Strasburg start]
25,871 Sunday 11th May 2008 vs Marlins
25,862 Wednesday 9th July 2008 vs Diamondbacks
25,757 Thursday 17th May 2012 vs Pirates
25,679 Sunday 15th April 2012 vs Reds
25,518 Monday 5th September 2011 vs Dodgers
25,426 Thursday 18th September 2008 vs Mets
25,394 Monday 19th May 2008 vs Phillies
25,359 Thursday 23rd July 2009 vs Cardinals [make-up of rain-out]
25,307 Sunday 31st July 2011 vs Mets
25,269 Tuesday 29th April 2008 vs Braves
25,019 Wednesday 17th September 2008 vs Mets
24,997 Tuesday 16th September 2008 vs Mets
[24,877 – 2011 SEASON AVERAGE]
24,875 Thursday 14th April 2011 vs Phillies
24,805 Monday 23rd June 2008 vs Angels
24,782 Sunday 29th August 2010 vs Cardinals
24,723 Thursday 1st May 2008 vs Pirates
24,650 Tuesday 26th July 2011 vs Marlins
24,640 Friday 20th April 2012 vs Marlins
24,551 Saturday 8th August 2009 vs Diamondbacks
24,495 Wednesday 1st June 2011 vs Phillies
24,492 Thursday 10th April 2008 vs Marlins
24,410 Friday 2nd July 2010 vs Mets
24,342 Wednesday 9th April 2008 vs Marlins
24,326 Tuesday 2nd August 2011 vs Braves
24,263 Wednesday 28th July 2010 vs Braves
24,238 Sunday 11th September 2011 vs Astros
24,153 Thursday 28th July 2011 vs Marlins
23,977 Saturday 10th July 2010 vs Giants
23,944 Wednesday 29th September 2009 vs Mets [home finale]
23,902 Tuesday 15th May 2012 vs Padres
23,896 Saturday 16th May 2009 vs Phillies [Game 2]
23,888 Tuesday 16th August 2011 vs Reds
23,859 Friday 23rd April 2010 vs Dodgers
23,824 Saturday 25th September 2010 vs Braves
23,708 Saturday 4th July 2009 vs Braves
23,691 Thursday 6th August 2009 vs Marlins
23,612 Thursday 20th May 2010 vs Mets
23,583 Sunday 22nd July 2009 vs Mets
23,522 Sunday 3rd July 2011 vs Pirates
23,506 Friday 24th July 2009 vs Padres
23,430 Friday 15th May 2009 vs Phillies
23,390 Tuesday 21st July 2009 vs Mets
23,379 Friday 9th May 2008 vs Marlins
23,299 Wednesday 24th September 2008 vs Marlins [home finale]
23,169 Sunday 29th May 2011 vs Padres
23,150 Tuesday 2nd September 2008 vs Phillies
23,122 Wednesday 3rd September 2008 vs Phillies
23,047 Sunday 17th April 2011 vs Brewers [‘traditional doubleheader’]
22,932 Friday 16th September 2011 vs Marlins
22,907 Wednesday 27th August 2008 vs Dodgers
22,896 Saturday 5th June 2010 vs Reds
22,871 Friday 27th August 2010 vs Cardinals
22,737 Friday 29th August 2008 vs Braves
[22,715 – 2009 SEASON AVERAGE]
22,677 Sunday 5th July 2009 vs Braves
22,675 Tuesday 1st May 2012 vs Diamondbacks [Harper home debut]
22,674 Friday 7th August 2009 vs Diamondbacks
[22,568 - 2010 SEASON AVERAGE]
22,556 Friday 22nd May 2009 vs Orioles
22,515 Friday 24th September 2010 vs Braves
22,497 Saturday 14th May 2011 vs Marlins
22,432 Thursday 24th September 2009 vs Dodgers
22,403 Sunday 11th July 2010 vs Giants
22,400 Saturday 14th August 2010 vs Diamondbacks
22,399 Friday 1st July 2011 vs Pirates
22,325 Sunday 6th September 2009 vs Marlins
22,317 Thursday 26th August 2010 vs Cardinals
22,210 Sunday 3rd April 2011 vs Braves
22,142 Saturday 20th June 2009 vs Blue Jays
22,016 Thursday 7th July 2011 vs Cubs
21,974 Wednesday 27th July 2011 vs Marlins
21,960 Monday 16th May 2011 vs Pirates
21,941 Saturday 2nd April 2011 vs Braves
21,834 Saturday 25th July 2009 vs Padres
21,767 Thursday 10th June 2010 vs Pirates
21,759 Monday 15th September 2008 vs Mets
21,695 Sunday 15th August 2010 vs Diamondbacks
21,638 Thursday 8th September 2011 vs Dodgers
21,633 Saturday 8th May 2010 vs Marlins
21,625 Sunday 26th September 2010 vs Braves
21,611 Sunday 1st May 2011 vs Giants
21,502 Tuesday 21st June 2011 vs Mariners
21,460 Sunday 23rd August 2009 vs Brewers
21,399 Friday 29th April 2011 vs Giants
21,367 Wednesday 22nd June 2011 vs Mariners
21,299 Sunday 9th May 2010 vs Marlins
21,212 Monday 7th April 2008 vs Marlins
21,186 Sunday 10th July 2011 vs Rockies
21,168 Tuesday 22nd June 2010 vs Royals
21,161 Thursday 23rd June 2011 vs Mariners
21,024 Friday 27th May 2011 vs Padres
21,017 Tuesday 31st May 2011 vs Phillies
20,860 Friday 19th June 2009 vs Blue Jays
20,747 Sunday 26th July 2009 vs Padres
20,712 Friday 1st May 2009 vs Cardinals
20,657 Tuesday 23rd September 2008 vs Marlins [lowest attendance of 2008]
20,494 Thursday 16th April 2009 vs Phillies
20,374 Wednesday 17th August 2011 vs Reds
20,353 Friday 5th June 2009 vs Mets
20,224 Monday 6th September 2010 vs Mets [Labour Day]
20,217 Thursday 8th April 2010 vs Phillies
20,167 Thursday 1st July 2010 vs Mets
20,161 Friday 7th May 2010 vs Marlins
20,043 Wednesday 3rd August 2011 vs Braves
20,026 Wednesday 29th September 2010 vs Phillies [home finale]
19,950 Saturday 2nd May 2009 vs Cardinals
19,940 Monday 1st August 2011 vs Braves
19,938 Sunday 9th August 2009 vs Diamondbacks
19,910 Saturday 16th May 2009 vs Phillies [Game 1 – make-up of rain-out]
19,860 Saturday 18th April 2009 vs Marlins
19,828 Tuesday 4th August 2009 vs Marlins
19,766 Wednesday 10th June 2009 vs Reds
19,703 Thursday 11th June 2009 vs Reds
19,662 Thursday 16th June 2011 vs Cardinals
19,656 Thursday 3rd May 2012 vs Diamondbacks
19,631 Wednesday 6th July 2011 vs Cubs
19,614 Tuesday 28th September 2009 vs Mets
19,549 Friday 13th August 2010 vs Diamondbacks
19,508 Thursday 18th August 2011 vs Reds
19,503 Friday 13th May 2011 vs Marlins
19,434 Monday 14th May 2012 vs Padres
19,384 Wednesday 19th May 2010 vs Mets
19,377 Monday 22nd August 2011 vs Diamondbacks
19,374 Saturday 22nd August 2009 vs Brewers
19,328 Tuesday 5th May 2009 vs Astros
19,181 Tuesday 5th July 2011 vs Cubs
19,169 Monday 20th July 2009 vs Mets
19,159 Saturday 28th May 2011 vs Padres
19,117 Tuesday 28th September 2010 vs Phillies
19,046 Friday 8th July 2011 vs Rockies
19,026 Friday 17th April 2009 vs Marlins
18,876 Wednesday 9th June 2010 vs Pirates
18,789 Sunday 18th April 2010 vs Brewers
18,706 Thursday 10th September 2009 vs Phillies
18,673 Saturday 17th April 2010 vs Brewers
18,635 Wednesday 23rd September 2009 vs Dodgers
18,600 Monday 27th September 2009 vs Mets
18,579 Tuesday 19th May 2009 vs Pirates
18,518 Tuesday 22nd September 2009 vs Dodgers
18,395 Sunday 25th April 2010 vs Dodgers
18,356 Sunday 15th May 2011 vs Marlins
18,344 Wednesday 25th August 2010 vs Cubs
18,312 Wednesday 5th August 2009 vs Marlins
18,307 Friday 9th September 2011 vs Astros
18,250 Tuesday 24th August 2010 vs Cubs
18,192 Tuesday 18th August 2009 vs Rockies
18,111 Saturday 5th September 2009 vs Marlins
18,045 Thursday 19th April 2012 vs Astros
18,039 Saturday 24th April 2010 vs Dodgers
18,036 Thursday 20th August 2009 vs Rockies
18,007 Thursday 30th April 2009 vs Cardinals
17,941 Saturday 11th September 2010 vs Marlins
17,921 Monday 23rd August 2010 vs Cubs
17,886 Tuesday 17th April 2012 vs Astros
17,881 Wednesday 24th August 2011 vs Diamondbacks
17,854 Wednesday 20th May 2009 vs Pirates
17,816 Thursday 21st May 2009 vs Pirates
17,805 Monday 26th August 2009 vs Brewers
17,666 Thursday 25th August 2011 vs Diamondbacks
17,364 Thursday 8th July 2010 vs Padres
17,331 Tuesday 2nd June 2009 vs Giants
17,234 Friday 16th April 2010 vs Brewers
17,217 Friday 15th April 2011 vs Brewers
17,180 Friday 10th September 2010 vs Marlins
17,153 Tuesday 8th September 2009 vs Phillies
17,131 Thursday 6th May 2010 vs Braves
17,098 Tuesday 4th May 2010 vs Braves
17,029 Tuesday 23rd August 2011 vs Diamondbacks [the earthquake]
16,974 Sunday 19th April 2009 vs Marlins
16,914 Wednesday 13th April 2011 vs Phillies
16,818 Wednesday 9th September 2009 vs Phillies
16,788 Sunday 12th September 2010 vs Marlins [lowest weekend attendance ever]
16,787 Thursday 4th June 2009 vs Giants [Game 2]
16,496 Thursday 12th August 2010 vs Marlins
16,364 Friday 4th September 2009 vs Marlins
16,274 Tuesday 9th June 2009 vs Reds
16,274 Wednesday 2nd May 2012 vs Diamondbacks
16,245 Monday 16th April 2012 vs Astros
16,187 Wednesday 19th August 2009 vs Rockies
16,002 Wednesday 8th September 2010 vs Mets
15,616 Wednesday 5th May 2010 vs Braves
15,567 Wednesday 22nd April 2009 vs Braves
15,519 Thursday 22nd April 2010 vs Rockies
15,431 Tuesday 21st April 2009 vs Braves
15,342 Monday 2nd May 2011 vs Giants
15,142 Thursday 28th April 2011 vs Mets
15,061 Wednesday 11th August 2010 vs Marlins
15,037 Tuesday 20th April 2010 vs Rockies
14,633 Thursday 23rd September 2010 vs Astros
14,603 Tuesday 26th April 2011 vs Mets
14,549 Monday 18th May 2009 vs Pirates
14,520 Wednesday 18th April 2012 vs Astros [lowest attendance of 2012 to date]
14,309 Monday 27th September 2010 vs Phillies
14,115 Monday 4th May 2009 vs Astros
14,039 Tuesday 6th July 2010 vs Padres
13,835 Tuesday 7th September 2010 vs Mets
13,762 Wednesday 7th July 2010 vs Padres
13,592 Monday 21st June 2010 vs Royals
13,568 Wednesday 27th April 2011 vs Mets
13,413 Tuesday 12th April 2011 vs Phillies [lowest attendance of 2011]
12,464 Monday 20th April 2009 vs Braves [lowest attendance of 2009]
12,213 Wednesday 22nd September 2010 vs Astros
11,893 Tuesday 21st September 2010 vs Astros
11,623 Monday 19th April 2010 vs Rockies
11,191 Wednesday 21st April 2010 vs Rockies
10,999 Monday 20th September 2010 vs Astros
[Separate list for RFK also available]