condition mean min max 4 h after light 1.613985 1.13676 2.09121 8 h after light 3.0510149999999996 2.76997 3.33206 12 h after light 3.88719 3.01469 4.75969 4 h after dark 4.57228 3.5614 5.27702 8 h after dark 4.05231 3.46324 4.55169 12 h after dark 3.5303666666666667 2.67236 4.94879