condition mean min max 4 h after light 372.3 372.3 372.3 8 h after light 380.75 348.6 412.9 12 h after light 389.2 383.7 394.7 4 h after dark 331.0 330.8 331.2 8 h after dark 486.6 375.0 598.2 12 h after dark 260.85 204.7 317.0