condition mean min max 0 h after light 0.668495 0.0 1.33699 2 h after light 0.3473319 0.0983388 0.596325 4 h after light 0.0 0.0 0.0 8 h after light 0.218364 0.0 0.436728 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.29188 0.0 0.58376 8 h after dark 0.4601455 0.0 0.920291 12 h after dark 0.406345 0.0 0.81269