condition mean min max 4 h after light 1.143065 1.00088 1.28525 8 h after light 0.833153 0.796292 0.870014 12 h after light 0.8173824999999999 0.611055 1.02371 4 h after dark 1.250225 1.2254 1.27505 8 h after dark 1.33287 1.15462 1.51112 12 h after dark 1.808605 1.54243 2.07478