condition	mean	min	max
4 h after light	1276.3	1276.3	1276.3
8 h after light	989.75	856.8	1122.7
12 h after light	527.55	377.6	677.5
4 h after dark	316.4	259.2	373.6
8 h after dark	291.9	212.6	371.2
12 h after dark	495.75	374.7	616.8