condition mean min max 4 h after light 1.6015270000000001 0.935194 2.26786 8 h after light 2.267635 2.05617 2.4791 12 h after light 2.116925 2.0301 2.20375 4 h after dark 4.29613 4.15364 4.55909 8 h after dark 0.9878466666666667 0.0 1.67177 12 h after dark 1.60025 0.0 3.64151