condition mean min max 4 h after light 9.084859999999999 8.53298 9.63674 8 h after light 11.41165 10.2937 12.5296 12 h after light 12.8884 12.7341 13.0427 4 h after dark 14.5471 13.8633 15.0516 8 h after dark 13.011433333333333 12.2574 13.8642 12 h after dark 10.087163333333333 8.12269 11.3951