condition mean min max 4 h after light 410.3 410.3 410.3 8 h after light 365.0 349.8 380.2 12 h after light 410.15000000000003 294.6 525.7 4 h after dark 508.55 461.6 555.5 8 h after dark 559.25 470.3 648.2 12 h after dark 582.8 525.8 639.8