condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.223041 0.0 0.545782 9 h after light 0.14733266666666667 0.0 0.279414 12 h after light 0.144071 0.0 0.296337 3 h after dark 0.134522 0.113999 0.149988 6 h after dark 0.13143466666666667 0.0 0.287499 9 h after dark 0.27389933333333333 0.0 0.459791 12 h after dark 0.312099 0.117796 0.670123