condition mean min max 3 h after light 0.0270977 0.0 0.0812931 6 h after light 0.027304733333333334 0.0 0.0819142 9 h after light 0.0793225 0.0618559 0.107977 12 h after light 0.1487633 0.0902391 0.262408 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.026705933333333334 0.0 0.0801178 12 h after dark 0.0 0.0 0.0