condition mean min max 1 h after light 12.715826239999998 12.05236424 13.37928824 3 h after light 14.723990876666667 12.11179146 17.37121593 5 h after light 15.973743103333334 14.17884452 17.16902828 7 h after light 17.419755256666665 14.16030147 21.47616621 9 h after light 18.78686068 14.954517300000001 21.35457146 11 h after light 17.149295873333333 14.66824376 18.87289266 13 h after light 18.203473943333332 16.67234445 19.36416952 15 h after light 18.651431683333335 15.14846487 20.69763163 1 h after dark 18.828088303333335 14.7925453 20.92630571 3 h after dark 19.36126198 16.87664451 23.15598242 5 h after dark 16.056761603333335 13.80155552 18.7861555 7 h after dark 14.474409143333334 12.97877004 15.38400148