condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.023592699999999998 0.0 0.0707781 8 h after dark 0.0 0.0 0.0 12 h after dark 0.009783666666666666 0.0 0.029351