condition mean min max 4 h after light 0.3346113333333333 0.107505 0.49027 8 h after light 1.6305136666666666 0.518381 2.40888 12 h after light 1.558632 0.952756 1.99996 4 h after dark 1.6147 1.50119 1.7236 8 h after dark 0.651846 0.564036 0.698763 12 h after dark 0.50102 0.3645 0.758059