condition mean min max 4 h after light 36.0787655 24.802748 47.354783 8 h after light 46.995534000000006 43.902213 50.088855 12 h after light 54.5656305 46.03581 63.095451 4 h after dark 254.14356800000002 103.466198 404.820938 8 h after dark 254.41453900000002 126.034217 382.794861 12 h after dark 30.701023 30.701023 30.701023