condition mean min max 0 h after light 2.038745 1.96361 2.11388 2 h after light 4.231025 2.95065 5.5114 4 h after light 0.962395 0.0 1.92479 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.53247 0.0 1.06494 12 h after dark 2.035885 1.04802 3.02375