condition mean min max 4 h after light 3336.2 3336.2 3336.2 8 h after light 4298.8 3506.3 5091.3 12 h after light 4242.25 3738.0 4746.5 4 h after dark 3917.95 3208.5 4627.4 8 h after dark 3861.4500000000003 2386.8 5336.1 12 h after dark 3082.95 2517.2 3648.7