condition mean min max 0 h after light 1.15821 1.0285 1.28792 4 h after light 1.4098644999999999 0.960639 1.85909 8 h after light 3.009505 2.96637 3.05264 4 h after dark 3.9208749999999997 3.38038 4.46137 8 h after dark 2.67037 2.61678 2.72396 12 h after dark 1.604835 1.2839 1.92577