condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.4254305 0.0 0.850861 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.761165 0.0 1.52233 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.411021 0.0 0.822042 12 h after dark 0.0 0.0 0.0