condition mean min max 1 h after light 21.301542689999998 16.2597321 26.34335328 3 h after light 20.37338946 17.64665886 23.39822565 5 h after light 19.45599986 17.55410184 20.5893217 7 h after light 15.455084666666668 11.831976800000001 18.4728096 9 h after light 20.16988066 17.78358941 22.66185405 11 h after light 22.257571413333334 20.85244159 24.38198926 13 h after light 17.51862274566667 5.510498387 24.31801927 15 h after light 25.49875028 21.02163133 28.36940618 1 h after dark 18.280251856666666 16.2262027 21.51401584 3 h after dark 18.220498113333335 16.29037645 21.56649819 5 h after dark 23.77040296666667 18.85558841 29.549903600000004 7 h after dark 20.96424734 18.42478167 24.66254536