condition	mean	min	max
4 h after light	5.17102	5.05569	5.32397
8 h after light	5.224646666666667	5.177230000000001	5.30964
12 h after light	5.1916899999999995	5.1408	5.28297
4 h after dark	5.143773333333334	5.09992	5.18741
8 h after dark	5.141096666666666	5.11311	5.18127
12 h after dark	5.07486	4.99394	5.22429