condition mean min max 4 h after light 3437.4 3437.4 3437.4 8 h after light 3697.8500000000004 3313.8 4081.9 12 h after light 4109.0 3949.3 4268.7 4 h after dark 3570.5 2940.6 4200.4 8 h after dark 3243.8999999999996 3193.6 3294.2 12 h after dark 3415.2 3225.7 3604.7