condition mean min max 4 h after light 0.801975 0.0 1.64683 8 h after light 0.0 0.0 0.0 12 h after light 0.5512543333333333 0.0 1.12276 4 h after dark 0.040093 0.0 0.120279 8 h after dark 0.14816300000000002 0.0 0.444489 12 h after dark 0.12837066666666666 0.0 0.385112