condition mean min max 0 h after light 0.0335211 0.0 0.0670422 2 h after light 0.14243 0.134323 0.150537 4 h after light 0.10218 0.0 0.20436 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.03752115 0.0 0.0750423 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0