condition mean min max 4 h after light 0.123931 0.0 0.371793 8 h after light 0.0011870133333333334 0.0 0.00356104 12 h after light 0.0075409 0.0 0.0226227 4 h after dark 0.09945568966666667 0.0 0.298367 8 h after dark 0.7821606666666667 0.356279 1.26834 12 h after dark 1.618406 0.143333 3.7915