condition mean min max 1 h after light 1.1506781609999999 1.1506781609999999 1.1506781609999999 3 h after light 2.853044629 2.7101326 2.9959566580000003 5 h after light 3.710992732 2.242903126 5.179082338 7 h after light 8.4906886425 7.244731337999999 9.736645947000001 9 h after light 13.671172595000002 10.13295323 17.20939196 11 h after light 21.799825730000002 18.42735247 25.17229899 1 h after dark 23.872647995 22.15828025 25.58701574 3 h after dark 19.865874735 14.37874334 25.35300613 5 h after dark 16.921785980000003 16.80070212 17.04286984 7 h after dark 18.07570598 16.0619864 20.08942556 9 h after dark 18.175909575 18.14558079 18.20623836 11 h after dark 18.386216734999998 17.74897582 19.02345765