condition	mean	min	max
4 h after light	2571.0	2571.0	2571.0
8 h after light	2470.45	2359.2	2581.7
12 h after light	2316.35	1958.7	2674.0
4 h after dark	2294.35	2243.5	2345.2
8 h after dark	2740.1	2158.7	3321.5
12 h after dark	3123.55	3067.8	3179.3