condition mean min max 0 h after light 1.7635649999999998 1.62689 1.90024 2 h after light 2.98918 2.01485 3.96351 4 h after light 2.94965 2.6118 3.2875 8 h after light 2.473255 2.18753 2.75898 12 h after light 7.439885 5.6112 9.26857 2 h after dark 8.26215 7.26904 9.25526 4 h after dark 6.616515 6.01408 7.21895 8 h after dark 4.5381350000000005 3.0163 6.05997 12 h after dark 2.72818 2.06477 3.39159