condition	mean	min	max
4 h after light	4.48017	4.310169999999999	4.7037
8 h after light	4.601546666666667	4.49145	4.8057099999999995
12 h after light	4.38602	4.2394	4.49222
4 h after dark	4.486563333333334	4.35995	4.5888
8 h after dark	4.450373333333333	4.36864	4.4931
12 h after dark	4.60437	4.36576	4.94271