condition mean min max 4 h after light 138.7048615 123.461555 153.948168 8 h after light 155.69359550000001 145.155134 166.232057 12 h after light 155.2683745 133.304692 177.232057 4 h after dark 206.462826 157.078211 255.847441 8 h after dark 205.0118945 149.663901 260.359888 12 h after dark 113.377179 113.377179 113.377179