condition	mean	min	max
4 h after light	1.99556	1.87025	2.12087
8 h after light	2.18353	1.97527	2.39179
12 h after light	1.2914949999999998	1.09588	1.48711
4 h after dark	2.2113050000000003	2.16634	2.25627
8 h after dark	2.19024	2.14228	2.2382
12 h after dark	2.3946	2.36558	2.42362