condition mean min max 1 h after light 3.561766884 3.382356471 3.7411772969999997 3 h after light 6.727709366 4.934319695 7.778935335 5 h after light 8.997648587 7.247547831 11.75435157 7 h after light 8.821265595333333 8.188934071 9.694949717 9 h after light 10.780326216333334 9.564283378999999 12.45364046 11 h after light 16.423525310000002 14.70563978 19.56571783 13 h after light 21.580319706666664 18.11600409 26.083025699999997 15 h after light 19.255059583333335 16.23189254 21.48676575 1 h after dark 17.267356613333334 11.87816086 21.94468823 3 h after dark 14.110624713333333 11.90925248 15.91503631 5 h after dark 11.444226018333334 9.361865575 12.73233309 7 h after dark 10.564666224333333 7.3280381629999995 14.11934424