condition mean min max 2 h after light 5.416375 3.80535 7.68348 6 h after light 3.6347783333333332 1.24169 4.71053 10 h after light 5.408228333333334 4.06901 7.0447 14 h after light 5.575615 2.29873 10.2617 18 h after light 5.8672699999999995 4.70512 7.06 2 h after dark 4.375676666666667 3.7051 4.99795