condition mean min max 3 h after light 18.3933 12.4931 23.0427 6 h after light 8.205513333333334 0.0 15.5428 9 h after light 15.08994 4.09082 30.8598 12 h after light 10.39906 6.01858 17.084 3 h after dark 22.832116666666668 7.96495 39.7569 6 h after dark 26.2691 22.0786 30.5333 9 h after dark 46.18046666666667 12.4363 94.395 12 h after dark 32.658033333333336 27.0394 37.8429