condition mean min max 1 h after light 19.05429846 17.11491255 20.70928707 3 h after light 18.505289796666666 17.13808333 20.47212841 5 h after light 18.86278218 17.84839905 19.38482977 7 h after light 19.841117123333333 16.14992514 22.66618112 9 h after light 18.07498649 17.90303432 18.1724069 11 h after light 17.936721956666666 16.9059581 18.92380104 13 h after light 18.707001553333335 15.38306613 21.70786823 15 h after light 16.340702893333333 16.20323326 16.58930094 1 h after dark 20.719731923333335 17.94047875 23.89826247 3 h after dark 20.228702806666668 17.84969499 24.66903128 5 h after dark 20.38205439 19.6983681 21.31070697 7 h after dark 23.47967606 23.0378481 24.34356037