condition mean min max 4 h after light 1591.1343333333334 1487.835 1766.614 8 h after light 972.4053 559.9558 1379.48 12 h after light 928.9709333333333 736.2328 1254.066 16 h after light 976.4234333333333 762.3864 1242.368 4 h after dark 1421.3103333333333 1296.079 1580.365 8 h after dark 1033.3292000000001 937.7766 1097.019