condition mean min max 3 h after light 0.752372 0.475404 1.03739 6 h after light 0.45386733333333334 0.368785 0.514327 9 h after light 0.462822 0.365311 0.551768 12 h after light 0.619887 0.513466 0.789418 3 h after dark 1.04067 0.48955 1.58347 6 h after dark 1.11118 1.04522 1.20081 9 h after dark 1.1369823333333333 0.723247 1.54128 12 h after dark 2.0092499999999998 1.456 2.5625