condition	mean	min	max
4 h after light	15.085799999999999	13.8758	16.2958
8 h after light	15.4006	15.0791	15.7221
12 h after light	15.85465	14.4316	17.2777
4 h after dark	13.910633333333333	13.6582	14.2302
8 h after dark	15.446033333333332	14.5243	16.2304
12 h after dark	14.379233333333334	13.0784	15.3069