condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.01917745 0.0 0.0383549 12 h after light 0.0417303 0.0225399 0.0609207 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.015257600000000001 0.0 0.0457728