condition mean min max 0 h after light 797.312 787.582 807.042 4 h after light 38.05355 33.7599 42.3472 8 h after light 2.19198 1.93438 2.44958 4 h after dark 3.109845 2.21569 4.004 8 h after dark 251.6275 250.799 252.456 12 h after dark 736.436 684.287 788.585