condition mean min max 0 h after light 19.70465 18.7127 20.6966 2 h after light 42.72225 42.5635 42.881 4 h after light 48.854749999999996 45.3197 52.3898 8 h after light 9.90964 9.29628 10.523 12 h after light 10.7452 10.2982 11.1922 2 h after dark 13.471 12.6674 14.2746 4 h after dark 12.253499999999999 11.634 12.873 8 h after dark 16.5301 14.3193 18.7409 12 h after dark 22.30295 20.6588 23.9471