condition mean min max 2 h after light 0.6187558333333333 0.0 2.20856 6 h after light 0.7737134999999999 0.31065 1.67498 10 h after light 0.4858248333333333 0.194827 1.19344 14 h after light 0.5209626666666667 0.0 0.704291 18 h after light 0.6403915 0.0 1.24304 2 h after dark 0.7935795 0.162619 1.82697