condition mean min max 4 h after light 902.0 902.0 902.0 8 h after light 912.55 835.4 989.7 12 h after light 736.8 582.0 891.6 4 h after dark 772.4000000000001 567.1 977.7 8 h after dark 736.05 692.3 779.8 12 h after dark 537.2 406.2 668.2