condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.06332566666666667 0.0 0.189977 3 h after dark 0.0 0.0 0.0 6 h after dark 0.37722633333333333 0.0 0.833017 9 h after dark 0.321433 0.0 0.964299 12 h after dark 0.0 0.0 0.0