condition mean min max 4 h after light 12.9781245 12.523809 13.43244 8 h after light 12.011602 11.407986 12.615218 12 h after light 10.918033000000001 10.375337 11.460729 4 h after dark 13.228418 12.523809 13.933027 8 h after dark 14.358023 12.431212 16.284834 12 h after dark 10.928105 10.928105 10.928105