condition	mean	min	max
4 h after light	8.084943333333333	8.03636	8.11492
8 h after light	8.092386666666666	8.02181	8.21278
12 h after light	8.335703333333333	8.19505	8.526810000000001
4 h after dark	8.2911	8.15191	8.41198
8 h after dark	8.252413333333333	8.14146	8.45837
12 h after dark	8.16564	7.9756800000000005	8.445089999999999