condition	mean	min	max
4 h after light	1028.6	1028.6	1028.6
8 h after light	1153.0	958.7	1347.3
12 h after light	1368.25	1199.8	1536.7
4 h after dark	1485.05	1268.5	1701.6
8 h after dark	1187.5	1102.8	1272.2
12 h after dark	957.25	858.6	1055.9