condition	mean	min	max
4 h after light	13.296	11.6523	14.9397
8 h after light	11.39005	11.3107	11.4694
12 h after light	13.84385	13.4309	14.2568
4 h after dark	15.154033333333333	14.6108	15.9739
8 h after dark	17.669333333333334	17.055	18.5926
12 h after dark	15.2326	14.2553	15.9391