condition mean min max 4 h after light 26.52835 25.8996 27.1571 8 h after light 23.268050000000002 23.2162 23.3199 12 h after light 34.5739 31.3421 37.8057 4 h after dark 36.62705 34.6498 38.6043 8 h after dark 41.5734 41.1914 41.9554 12 h after dark 38.562200000000004 38.4059 38.7185