condition	mean	min	max
4 h after light	5.274013333333333	5.26313	5.2922
8 h after light	5.36673	5.20404	5.69159
12 h after light	5.27479	5.15103	5.46
4 h after dark	5.309006666666667	5.1544099999999995	5.56254
8 h after dark	5.222206666666667	5.00235	5.34255
12 h after dark	5.35411	5.27036	5.459890000000001