condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.3085905 0.0 0.617181 8 h after light 0.0428046 0.0 0.0856092 4 h after dark 0.12764465 0.0853203 0.169969 8 h after dark 0.0 0.0 0.0 12 h after dark 0.04226625 0.0 0.0845325