condition mean min max 1 h after light 19.1297628 17.08399225 21.17553335 3 h after light 16.093907956666666 14.70441244 18.24202702 5 h after light 11.044637460666667 4.619761582 14.93914573 7 h after light 17.155464379999998 15.88162201 19.07827653 9 h after light 19.304229793333334 18.07386598 21.14479969 11 h after light 20.03374299 18.37186732 22.56546722 1 h after dark 20.005353496666668 18.20812176 21.40356573 3 h after dark 22.349906986666667 20.17672578 23.71965984 5 h after dark 22.177955113333333 20.43805353 23.70534342 7 h after dark 24.245853923333335 21.15888631 27.45326637 9 h after dark 20.852574580000002 18.26209571 22.35153976 11 h after dark 20.582735863333333 18.55591214 23.69197588