condition	mean	min	max
4 h after light	4.59629	4.26975	4.92283
8 h after light	7.000565	6.1284	7.87273
12 h after light	6.1321650000000005	5.49599	6.76834
4 h after dark	8.13818	8.10491	8.17145
8 h after dark	6.356535	6.15255	6.56052
12 h after dark	5.715785	5.44426	5.98731