condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.07377033333333334 0.0 0.221311 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.105584 0.0 0.316752 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0