condition mean min max 1 h after light 8.028216189 6.0042687279999996 10.05216365 3 h after light 9.373169201 8.33005676 10.47268818 5 h after light 9.535675103333334 8.940348924 10.50902594 7 h after light 11.779547501666666 9.313121355 15.48033774 9 h after light 11.940641816666666 10.99601068 12.95126421 11 h after light 10.880169268 9.877108864 12.50613369 13 h after light 12.031912296666667 10.08075884 13.63237281 15 h after light 11.94483508 10.97201894 12.45696577 1 h after dark 14.991552963333334 13.79304899 17.29829812 3 h after dark 12.696139396666668 9.844709300000002 14.44092721 5 h after dark 12.706822626666666 11.33278094 13.82258933 7 h after dark 15.112814406666667 14.12387849 16.68235117