condition mean min max 0 h after light 1.33631 1.25814 1.41448 4 h after light 1.61869 1.36375 1.87363 8 h after light 1.75267 1.70014 1.8052 4 h after dark 2.297365 2.29608 2.29865 8 h after dark 1.6400350000000001 1.63089 1.64918 12 h after dark 1.4374 1.04645 1.82835