condition mean min max 4 h after light 3.791016 3.6581879999999996 3.93675 8 h after light 2.775099 2.0142189999999998 3.17958 12 h after light 3.3955036666666665 2.51789 4.332644999999999 16 h after light 12.088474000000001 2.986402 29.68239 4 h after dark 3.2226303333333335 2.8848599999999998 3.552433 8 h after dark 3.212964 1.6757810000000002 5.4615279999999995