condition mean min max 0 h after light 14.729 14.3206 15.1374 2 h after light 4.238785 2.29762 6.17995 4 h after light 2.980215 2.69785 3.26258 8 h after light 4.729165 4.24735 5.21098 12 h after light 6.69132 5.52848 7.85416 2 h after dark 10.391010000000001 8.97272 11.8093 4 h after dark 12.357600000000001 11.9037 12.8115 8 h after dark 16.17 13.9305 18.4095 12 h after dark 13.15615 10.7723 15.54