condition mean min max 4 h after light 1.932671 0.736183 3.29922 8 h after light 3.304637 0.750341 5.16224 12 h after light 4.57011 3.00318 6.03401 4 h after dark 5.7498 5.70773 5.80055 8 h after dark 4.712236666666667 3.99227 5.91473 12 h after dark 2.9795599999999998 2.35468 3.69927