condition mean min max 4 h after light 13.424415 8.30393 18.5449 8 h after light 15.002600000000001 13.6474 16.3578 12 h after light 15.1607 13.9159 16.4055 4 h after dark 21.1176 17.1771 26.9336 8 h after dark 20.401833333333332 18.879 22.3533 12 h after dark 13.103546666666666 9.88374 16.1456