condition mean min max 4 h after light 355.6 355.6 355.6 8 h after light 374.15 352.5 395.8 12 h after light 575.45 460.1 690.8 4 h after dark 632.2 540.4 724.0 8 h after dark 852.65 667.2 1038.1 12 h after dark 941.9000000000001 720.9 1162.9