condition	mean	min	max
4 h after light	5.48549	5.11597	5.85501
8 h after light	5.77638	5.35759	6.19517
12 h after light	7.54796	7.05407	8.04185
4 h after dark	7.743555	7.4756	8.01151
8 h after dark	7.419955	7.20803	7.63188
12 h after dark	7.004625000000001	6.81263	7.19662