condition	mean	min	max
4 h after light	1278.1	1278.1	1278.1
8 h after light	1109.95	831.1	1388.8
12 h after light	1096.4	808.1	1384.7
4 h after dark	982.5	966.4	998.6
8 h after dark	891.6	557.3	1225.9
12 h after dark	676.7	672.2	681.2