condition mean min max 3 h after light 2.1247233333333333 1.92079 2.29627 6 h after light 2.04278 1.72191 2.2534 9 h after light 4.497356666666667 4.22846 4.99943 12 h after light 5.9240875 5.45625 6.42763 3 h after dark 11.182966666666667 10.3362 11.7275 6 h after dark 14.462833333333334 13.2435 16.0207 9 h after dark 11.4882 10.5675 11.961 12 h after dark 6.590864999999999 4.9509 8.23083