condition mean min max 4 h after light 1.0284564999999999 0.679013 1.3779 8 h after light 1.113055 1.02229 1.20382 12 h after light 1.0274860000000001 0.940512 1.11446 4 h after dark 1.1956063333333333 0.758469 1.41609 8 h after dark 1.3994066666666667 1.25829 1.47004 12 h after dark 2.0717666666666665 1.7283 2.72766