condition mean min max 3 h after light 0.088723 0.0 0.266169 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.13810725 0.0 0.552429 3 h after dark 0.33486499999999997 0.0 0.57319 6 h after dark 0.7545446666666666 0.401341 1.34273 9 h after dark 0.24226 0.0 0.72678 12 h after dark 0.0 0.0 0.0