condition mean min max 4 h after light 1052.9536666666668 1026.44 1090.612 8 h after light 742.5788333333334 446.1956 1063.71 12 h after light 761.6109 666.9259 927.7439 16 h after light 1181.1305 976.8825 1531.219 4 h after dark 1338.6526666666666 1325.309 1357.819 8 h after dark 980.8274 782.8499 1166.826