condition	mean	min	max
4 h after light	2577.0	2577.0	2577.0
8 h after light	2634.2	2470.7	2797.7
12 h after light	2838.0	2529.9	3146.1
4 h after dark	2518.5	2485.1	2551.9
8 h after dark	2373.0	2335.8	2410.2
12 h after dark	1855.0	1814.6	1895.4