condition mean min max 0 h after light 7.02857 6.99624 7.0609 2 h after light 2.01172 1.79199 2.23145 4 h after light 1.53009 1.36379 1.69639 8 h after light 2.4580900000000003 2.25789 2.65829 12 h after light 2.3738900000000003 2.11599 2.63179 2 h after dark 4.235405 3.88784 4.58297 4 h after dark 6.3147199999999994 5.82874 6.8007 8 h after dark 8.544915 8.19232 8.89751 12 h after dark 8.25568 7.04378 9.46758