condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.01579745 0.0 0.0947847 14 h after light 0.08107086666666666 0.0 0.209971 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0