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 0.028235933333333334 0.0 0.0847078 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.033201966666666666 0.0 0.0996059 12 h after dark 0.0 0.0 0.0