condition mean min max 0 h after light 1.19083 1.12269 1.25897 2 h after light 2.045805 1.75732 2.33429 4 h after light 1.893135 1.74245 2.04382 8 h after light 2.3374449999999998 1.73916 2.93573 12 h after light 5.212255 5.19157 5.23294 2 h after dark 3.6977599999999997 3.63908 3.75644 4 h after dark 2.777505 2.40539 3.14962 8 h after dark 2.192085 1.99939 2.38478 12 h after dark 1.80838 1.64782 1.96894