condition	mean	min	max
4 h after light	309.2	309.2	309.2
8 h after light	398.15	365.7	430.6
12 h after light	617.55	432.3	802.8
4 h after dark	768.1	610.2	926.0
8 h after dark	759.7	728.4	791.0
12 h after dark	735.4	597.5	873.3