condition mean min max 4 h after light 59.4197655 52.918597 65.920934 8 h after light 67.27948649999999 61.616962 72.942011 12 h after light 87.727043 86.630512 88.823574 4 h after dark 168.350907 120.392847 216.308967 8 h after dark 154.7694875 114.30898 195.229995 12 h after dark 94.220363 94.220363 94.220363