condition mean min max 4 h after light 714.4980845 694.606546 734.389623 8 h after light 789.756164 688.565146 890.947182 12 h after light 917.2347105 765.30898 1069.160441 4 h after dark 1106.5263775 887.870771 1325.181984 8 h after dark 913.4177709999999 767.433647 1059.401895 12 h after dark 1025.263102 1025.263102 1025.263102