condition mean min max 3 h after light 1.5717425 0.105096 5.28901 7 h after light 0.4037573 0.0918136 0.911931 11 h after light 0.680102175 0.0 1.95649 2 h after dark 1.502896 0.142539 3.52748 6 h after dark 3.204833916666667 0.773598 10.0325 10 h after dark 2.769689833333333 0.287756 9.30642