condition	mean	min	max
4 h after light	2139.883889	2060.046667	2248.3
8 h after light	1665.2011113333333	1277.286667	1870.496667
12 h after light	1952.3344446666665	1572.85	2439.706667
1.5 h after dark	2172.5555553333334	1617.343333	2541.55
5.5 h after dark	2490.95	1773.806667	3040.07
9.5 h after dark	2298.2822223333333	1929.276667	2568.18