condition mean min max 4 h after light 0.178316 0.0 0.356632 8 h after light 0.949761 0.731112 1.16841 12 h after light 1.325175 1.13599 1.51436 4 h after dark 0.341251 0.0 0.687083 8 h after dark 0.7921469999999999 0.475603 1.06862 12 h after dark 0.21842566666666666 0.0 0.489261