condition	mean	min	max
4 h after light	7.191623333333333	7.0549	7.300889999999999
8 h after light	7.221573333333333	7.074139999999999	7.39589
12 h after light	7.174316666666667	7.0204699999999995	7.33672
4 h after dark	7.36155	7.22757	7.48775
8 h after dark	7.47385	7.3011	7.56617
12 h after dark	7.29725	7.16103	7.4672600000000005