condition mean min max 4 h after light 85.1743955 83.84776 86.501031 8 h after light 72.41954050000001 65.363054 79.476027 12 h after light 131.833293 79.429893 184.236693 4 h after dark 107.37476 106.122728 108.626792 8 h after dark 130.074217 102.776544 157.37189 12 h after dark 68.853473 68.853473 68.853473