condition mean min max 4 h after light 0.12777149999999998 0.127275 0.128268 8 h after light 0.373474 0.259807 0.487141 12 h after light 0.306293 0.168357 0.444229 4 h after dark 0.6137589999999999 0.506431 0.721087 8 h after dark 0.138249 0.111187 0.165311 12 h after dark 0.20595 0.138243 0.273657