condition	mean	min	max
4 h after light	18.89995	16.1465	21.6534
8 h after light	18.203699999999998	17.5631	18.8443
12 h after light	21.68495	21.6431	21.7268
4 h after dark	29.24035	26.9554	31.5253
8 h after dark	27.519	26.6577	28.3803
12 h after dark	29.3634	28.4349	30.2919