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 0.0 0.0 0.0 3 h after dark 0.04014433333333333 0.0 0.120433 6 h after dark 0.06936099999999999 0.0 0.208083 9 h after dark 0.029490666666666665 0.0 0.088472 12 h after dark 0.0 0.0 0.0