What time of day do tornadoes happen?

Most tornadoes come in late afternoon and evening: 51.8% of those since 1950 started between 3 and 8 pm Central Standard Time. The hours from 9 pm to 6 am hold 16.3% of all tornadoes but 24.6% of the fatal ones.

Tornadoes by hour

Hours are Central Standard Time all year, the database's own clock, so local afternoon peaks fall earlier in the East than this chart suggests.

Tornadoes by hour started, Central Standard Time

Tornadoes by hour started, Central Standard Time 12 am: 1,125 1: 997 2: 888 3 am: 820 4: 843 5: 859 6 am: 855 7: 908 8: 954 9 am: 1,145 10: 1,336 11: 1,897 12 pm: 2,786 13: 3,996 14: 5,466 3 pm: 7,161 16: 8,225 17: 8,624 8,624 6 pm: 7,783 19: 6,208 20: 4,145 9 pm: 2,818 22: 1,989 23: 1,593 12 am123 am456 am789 am101112 pm13143 pm16176 pm19209 pm2223
Tornadoes by hour
12 am1,1251.536
1 am9971.445
2 am8881.240
3 am8201.138
4 am8431.122
5 am8591.222
6 am8551.215
7 am9081.212
8 am9541.313
9 am1,1451.611
10 am1,3361.829
11 am1,8972.627
12 pm2,7863.841
1 pm3,9965.482
2 pm5,4667.4108
3 pm7,1619.8157
4 pm8,22511.2167
5 pm8,62411.7169
6 pm7,78310.6176
7 pm6,2088.5128
8 pm4,1455.6107
9 pm2,8183.884
10 pm1,9892.767
11 pm1,5932.252