condition mean min max 0 h after light 9.541005 9.04321 10.0388 4 h after light 40.713750000000005 30.9974 50.4301 8 h after light 30.104950000000002 29.9494 30.2605 4 h after dark 8.42699 6.80218 10.0518 8 h after dark 16.12905 14.9454 17.3127 12 h after dark 10.808965 9.88293 11.735