condition mean min max 0 h after light 12.707450000000001 12.5852 12.8297 2 h after light 7.878595 7.74752 8.00967 4 h after light 10.88035 10.4775 11.2832 8 h after light 13.40765 12.259 14.5563 12 h after light 15.991900000000001 15.3543 16.6295 2 h after dark 20.0243 19.1251 20.9235 4 h after dark 17.6722 14.1749 21.1695 8 h after dark 16.8586 16.3872 17.33 12 h after dark 12.5013 11.6471 13.3555