今日のAVGピークは800を超えていません。
香取の過去データから、790超えを抽出しました。

TIME MAX AVG
========================= ======= =======
2010-02-01 23:31:00.0000 1270 873
2010-02-01 23:32:00.0000 1270 833
2010-02-01 23:33:00.0000 1278 880
2010-02-01 23:34:00.0000 1283 884
2010-02-01 23:36:00.0000 1267 822
2010-09-23 11:32:00.0000 1269 803
2011-03-16 17:52:00.0000 2048 947
2013-05-20 12:41:00.0000 1250 949
2013-05-20 12:42:00.0000 1249 835
2013-05-20 12:43:00.0000 1247 892
2013-09-24 01:36:00.0000 1257 828
2013-09-24 01:37:00.0000 1250 826
2013-09-24 01:38:00.0000 1245 813
2013-09-24 01:39:00.0000 1247 796
2013-09-24 02:20:00.0000 1240 827
2013-12-10 11:12:00.0000 1233 836
2015-07-29 08:35:00.0000 1230 796
2015-09-18 06:41:00.0000 1248 900
2015-10-02 06:28:00.0000 1241 877
2015-10-02 06:29:00.0000 1250 926
2015-10-17 22:05:00.0000 1219 813
2015-10-17 22:06:00.0000 1220 818
2015-10-17 22:07:00.0000 1216 832
2015-10-17 22:08:00.0000 1213 827
2015-10-17 22:09:00.0000 1233 798
2017-09-11 10:55:00.0000 1240 817
2017-09-11 11:06:00.0000 1248 792
2017-09-11 11:07:00.0000 1246 804
2017-09-11 11:08:00.0000 1246 806
2017-09-11 11:09:00.0000 1248 804
2018-06-30 12:45:00.0000 1267 797