condition mean min max 0 h after light 551.467 545.161 557.773 4 h after light 89.10985 82.0731 96.1466 8 h after light 21.8185 20.6947 22.9423 4 h after dark 96.92179999999999 88.5406 105.303 8 h after dark 219.155 205.983 232.327 12 h after dark 380.3535 265.36 495.347