condition mean min max 4 h after light 162.709 140.495 184.923 8 h after light 107.56700000000001 105.164 109.97 12 h after light 71.4187 59.438 83.3994 4 h after dark 67.6413 55.3144 79.9682 8 h after dark 68.4178 62.5317 74.3039 12 h after dark 120.07 117.708 122.432