condition mean min max 0 h after light 3.45812 2.43061 4.48563 2 h after light 2.460745 2.41699 2.5045 4 h after light 2.040515 1.83462 2.24641 8 h after light 2.896875 1.72126 4.07249 12 h after light 4.41038 3.90591 4.91485 2 h after dark 5.43438 5.36358 5.50518 4 h after dark 6.43253 6.0072 6.85786 8 h after dark 7.75417 7.3067 8.20164 12 h after dark 4.64077 4.07715 5.20439