condition	mean	min	max
4 h after light	16.3083475	16.240349	16.376346
8 h after light	16.4020345	16.240349	16.56372
12 h after light	15.2144945	14.626848	15.802141
4 h after dark	16.715108999999998	16.694632	16.735586
8 h after dark	15.889846499999999	14.805197	16.974496
12 h after dark	19.148916	19.148916	19.148916