condition mean min max 0 h after light 0.625495 0.0 1.25099 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.55654 0.0 1.11308 12 h after light 0.0 0.0 0.0 2 h after dark 0.650365 0.0 1.30073 4 h after dark 0.967625 0.86318 1.07207 8 h after dark 0.554555 0.0 1.10911 12 h after dark 0.0 0.0 0.0