condition	mean	min	max
4 h after light	7.23269	7.07222	7.3274
8 h after light	7.1303833333333335	6.951860000000001	7.28286
12 h after light	7.334040000000001	7.24661	7.489960000000001
4 h after dark	7.244773333333334	7.0209	7.489330000000001
8 h after dark	7.356906666666666	7.26965	7.52933
12 h after dark	7.284033333333333	7.103610000000001	7.39015