condition mean min max 4 h after light 15.34565 13.399 17.2923 8 h after light 17.21665 17.198 17.2353 12 h after light 24.613149999999997 23.0793 26.147 4 h after dark 25.121000000000002 23.3972 26.8448 8 h after dark 23.41165 23.3685 23.4548 12 h after dark 19.948900000000002 18.8813 21.0165