condition mean min max 0 h after light 8.347065 7.50673 9.1874 2 h after light 5.3390450000000005 5.2012 5.47689 4 h after light 6.84351 6.80698 6.88004 8 h after light 5.8195049999999995 5.55183 6.08718 12 h after light 7.886975 7.094 8.67995 2 h after dark 7.7017999999999995 6.90424 8.49936 4 h after dark 7.212155 6.01938 8.40493 8 h after dark 9.60947 8.98714 10.2318 12 h after dark 8.89375 7.79365 9.99385