condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.19038633333333332 0.171893 0.205036 9 h after light 0.0 0.0 0.0 12 h after light 0.05185033333333333 0.0 0.155551 3 h after dark 0.0 0.0 0.0 6 h after dark 0.05606333333333333 0.0 0.16819 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0