condition mean min max 3 h after light 901.4103333333334 811.887 963.754 6 h after light 1632.4 1406.38 1817.66 9 h after light 1578.0133333333333 1087.55 1974.33 12 h after light 742.2 174.221 1102.99 3 h after dark 144.56233333333333 128.72 166.297 6 h after dark 99.172 92.088 104.705 9 h after dark 152.254 121.547 204.456 12 h after dark 209.7275 202.533 216.922