condition	mean	min	max
4 h after light	1609.6	1609.6	1609.6
8 h after light	1335.75	1304.4	1367.1
12 h after light	1133.8	999.8	1267.8
4 h after dark	1977.3	1028.9	2925.7
8 h after dark	2419.1	2369.7	2468.5
12 h after dark	2272.45	2142.6	2402.3