condition mean min max 4 h after light 4216.0 4216.0 4216.0 8 h after light 3173.55 2833.8 3513.3 12 h after light 3081.45 2374.5 3788.4 4 h after dark 3435.1499999999996 3263.6 3606.7 8 h after dark 3096.95 2312.8 3881.1 12 h after dark 3030.3 2947.5 3113.1