condition mean min max 4 h after light 730.165544 651.785912 808.545176 8 h after light 551.3732465 498.790073 603.95642 12 h after light 525.0361594999999 359.155134 690.917185 4 h after dark 352.97515500000003 238.491925 467.458385 8 h after dark 270.514701 176.111299 364.918103 12 h after dark 452.18302 452.18302 452.18302