condition mean min max 4 h after light 1001.9 1001.9 1001.9 8 h after light 921.5 881.7 961.3 12 h after light 930.5999999999999 784.4 1076.8 4 h after dark 836.6 811.2 862.0 8 h after dark 732.75 722.6 742.9 12 h after dark 663.75 623.2 704.3