condition mean min max 4 h after light 1041.9 1041.9 1041.9 8 h after light 788.05 765.9 810.2 12 h after light 1169.05 715.8 1622.3 4 h after dark 1505.7 1374.2 1637.2 8 h after dark 1862.15 1411.3 2313.0 12 h after dark 2105.8999999999996 2080.6 2131.2