condition mean min max 0 h after light 33.82285 28.4497 39.196 2 h after light 15.3604 12.8473 17.8735 4 h after light 18.39985 17.6282 19.1715 8 h after light 17.5471 16.2889 18.8053 12 h after light 20.1632 20.1347 20.1917 2 h after dark 28.392 24.9147 31.8693 4 h after dark 33.314350000000005 32.201 34.4277 8 h after dark 46.4939 42.9421 50.0457 12 h after dark 41.5025 37.6066 45.3984