condition mean min max 3 h after light 109.7334 97.2422 122.344 6 h after light 80.62513333333334 66.3307 96.89 9 h after light 71.77106666666667 63.9228 78.9763 12 h after light 108.07245 84.1723 154.1 3 h after dark 161.45066666666668 144.031 181.879 6 h after dark 223.243 215.806 231.139 9 h after dark 253.987 219.561 322.007 12 h after dark 184.172 164.584 203.76