condition mean min max 2 h after light 5.799225 4.88603 7.20125 6 h after light 4.215186666666667 3.12875 5.33684 10 h after light 3.3627866666666666 2.0575 4.82245 14 h after light 3.703165 2.27628 5.96944 18 h after light 4.52714 2.58568 6.90924 2 h after dark 4.932745 3.82218 5.82837