condition mean min max 4 h after light 0.0103598 0.0 0.0207196 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.010303666666666668 0.0 0.030911 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0