condition	mean	min	max
4 h after light	7.943175	7.039887	8.846463
8 h after light	7.8806270000000005	7.565326	8.195928
12 h after light	7.7956295	7.257563	8.333696
4 h after dark	8.527167	8.340928	8.713406
8 h after dark	9.351511	8.676615	10.026407
12 h after dark	13.811527	13.811527	13.811527