condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.00738275 0.0 0.0147655 8 h after light 0.06742005 0.0598024 0.0750377 12 h after light 0.0998503 0.0829396 0.116761 2 h after dark 0.0243989 0.0 0.0487978 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0