condition mean min max 4 h after light 18.871636000000002 17.111424 20.631848 8 h after light 39.451228 29.851906 49.05055 12 h after light 33.3074335 21.278569 45.336298 4 h after dark 43.071453500000004 19.14203 67.000877 8 h after dark 53.48705 22.349524 84.624576 12 h after dark 19.859762 19.859762 19.859762