condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.1804916666666667 0.0 0.541475 9 h after light 0.09186633333333333 0.0 0.275599 12 h after light 0.06456175 0.0 0.258247 3 h after dark 0.10551700000000001 0.0 0.316551 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.1220485 0.0 0.244097