condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.06273063333333333 0.0 0.11562 9 h after light 0.027236033333333336 0.0 0.0817081 12 h after light 0.0164657 0.0 0.0658628 3 h after dark 0.092148 0.0 0.169705 6 h after dark 0.028182466666666666 0.0 0.0845474 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0