(8 minutes later...)
Here's the chart I wanted to show you. Back in July when the trips last fell, that was when the Date workup hits pretty much stopped clustering. There is a counterexample, but otherwise, the behavior of the Date workup hits changed after the trips dried up. Here is the chart:
Virginia Date Workup Hits
07/03/2021,804,593 07/03/2013,804,748
07/04/2021,142,170
07/05/2021,751,472
07/06/2021,708,850
07/07/2021,057,999
07/08/2021,665,664
07/09/2021,123,083
07/10/2021,407,502
07/11/2021,330,831
07/12/2021,787,196
07/13/2021,292,637
07/14/2021,230,457
07/15/2021,438,935 07/15/1999,291,438
07/16/2021,334,413
07/17/2021,490,817 07/17/2009,490,973
07/18/2021,157,645
07/19/2021,867,154
07/20/2021,327,729
07/21/2021,457,861
07/22/2021,182,402
07/23/2021,090,291
07/24/2021,473,452 07/24/2003,473,968
07/25/2021,388,160
07/26/2021,255,193
07/27/2021,992,159
07/28/2021,520,758
07/29/2021,916,276
07/30/2021,931,286
07/31/2021,197,441 07/31/2010,218,197
08/01/2021,137,135 08/01/1989,XXX,135
08/02/2021,437,576
08/03/2021,050,571
08/04/2021,623,398
08/05/2021,043,459
08/06/2021,040,298
08/07/2021,180,862
08/08/2021,215,506
08/09/2021,367,716
08/10/2021,503,277
08/11/2021,261,955
08/12/2021,046,895
08/13/2021,829,132
08/14/2021,358,873
08/15/2021,728,887
08/16/2021,560,370
08/17/2021,290,800
08/18/2021,293,431
08/19/2021,371,815
08/20/2021,405,479
08/21/2021,871,445
08/22/2021,481,949 08/22/2013,127,949
08/23/2021,109,934
08/24/2021,671,476
08/25/2021,084,110
08/26/2021,705,492
08/27/2021,014,934
08/28/2021,390,829
08/29/2021,939,654
08/30/2021,775,014
08/31/2021,503,464
09/01/2021,549,478
09/02/2021,540,475 09/02/2017,021,475
09/03/2021,928,160
09/04/2021,625,321
09/05/2021,034,109
09/06/2021,262,572
09/07/2021,927,505
09/08/2021,717,861
09/09/2021,723,326
09/10/2021,741,291 09/10/2018,488,291
09/11/2021,961,507
09/12/2021,824,257
09/13/2021,884,590
09/14/2021,993,409
09/15/2021,945,816
09/16/2021,734,609
09/17/2021,748,546
09/18/2021,128,016
09/19/2021,054,973 09/19/2007,054,986
09/20/2021,198,642
09/21/2021,123,929
09/22/2021,277,588
09/23/2021,904,169 09/23/2008,603,169
09/24/2021,381,802
09/25/2021,141,631
09/26/2021,511,236
09/27/2021,512,526
09/28/2021,176,284
09/29/2021,327,165
09/30/2021,119,792
10/01/2021,840,461
10/02/2021,040,686
10/03/2021,750,331
10/04/2021,139,757
10/05/2021,874,887
10/06/2021,431,933
10/07/2021,653,987 10/07/2006,653,840
10/08/2021,766,834
10/09/2021,521,002
10/10/2021,390,062
10/11/2021,382,106
10/12/2021,425,308
10/13/2021,522,524
10/14/2021,430,180
10/15/2021,700,052
10/16/2021,522,245
10/17/2021,738,482
10/18/2021,923,539
10/19/2021,015,978
10/20/2021,789,653
10/21/2021,068,240
10/22/2021,468,428
10/23/2021,422,962
10/24/2021,218,595
10/25/2021,491,318
10/26/2021,661,172
10/27/2021,959,611
10/28/2021,202,183
10/29/2021,205,082 10/29/2007,412,082
10/30/2021,611,634
10/31/2021,440,261
11/01/2021,872,915
11/02/2021,567,984
11/03/2021,159,980
11/04/2021,078,252 11/04/1997,874,252
11/05/2021,266,125
11/06/2021,525,556
11/07/2021,663,655
11/08/2021,973,116 11/08/2003,973,455
11/09/2021,725,366
11/10/2021,938,177
11/11/2021,606,473
11/12/2021,351,715
11/13/2021,391,480
11/14/2021,686,188
11/15/2021,507,197 11/15/2019,921,507
11/16/2021,261,592 11/16/1994,XXX,592
11/17/2021,345,580
11/18/2021,789,960
11/19/2021,002,919
11/20/2021,691,097
11/21/2021,858,135 11/21/2009,135,579
11/22/2021,604,236
11/23/2021,924,651 11/23/2004,259,924
11/24/2021,404,323
11/25/2021,346,262
11/26/2021,102,576
11/27/2021,532,299
11/28/2021,427,885
11/29/2021,779,410
11/30/2021,540,953
12/01/2021,725,428
12/02/2021,602,159
12/03/2021,600,930
12/04/2021,160,556 12/04/2012,999,160
12/05/2021,084,879
12/06/2021,725,763
12/07/2021,030,832
12/08/2021,602,362
12/09/2021,200,521
12/10/2021,253,193
12/11/2021,711,730
12/12/2021,300,323
12/13/2021,308,964
12/14/2021,672,543
12/15/2021,974,919
12/16/2021,875,680
12/17/2021,329,343
12/18/2021,617,497
12/19/2021,845,256
12/20/2021,338,270
12/21/2021,665,582
12/22/2021,882,489
12/23/2021,451,388
12/24/2021,308,160
12/25/2021,607,736
12/26/2021,288,425
12/27/2021,204,345
12/28/2021,357,549
12/29/2021,677,536
12/30/2021,006,857
12/31/2021,589,411
01/01/2022,947,792
01/02/2022,224,974 01/02/1998,974,810
01/03/2022,787,041
01/04/2022,665,192
01/05/2022,345,753
01/06/2022,053,917
01/07/2022,463,194
01/08/2022,536,972
01/09/2022,300,514
01/10/2022,542,619
01/11/2022,908,176
01/12/2022,509,769
01/13/2022,477,013
01/14/2022,780,416 01/14/2002,267,780
01/15/2022,643,515
01/16/2022,661,040
01/17/2022,468,348
The Date workup hits staged a little comeback in November, then back out to lunch. Very similar timeframe.