condition mean min max 4 h after light 879.3513255 785.316748 973.385903 8 h after light 1084.2148535000001 994.120727 1174.30898 12 h after light 669.9336205 440.190255 899.676986 4 h after dark 679.9522850000001 671.395741 688.508829 8 h after dark 663.435967 553.565616 773.306318 12 h after dark 499.648614 499.648614 499.648614