condition mean min max 4 h after light 17.510076666666667 15.40262 20.801379999999998 8 h after light 291.7712333333333 156.8894 472.0709 12 h after light 1765.0933333333332 1360.5829999999999 2519.055 16 h after light 1369.0145 925.0135 1921.582 4 h after dark 345.844 303.6526 394.2089 8 h after dark 87.45805 67.34591999999999 108.3986