condition mean min max 4 h after light 263.853999 247.545901 280.162097 8 h after light 262.257215 248.666989 275.847441 12 h after light 279.558606 277.762334 281.354878 4 h after dark 301.51505599999996 263.150762 339.87935 8 h after dark 267.39649599999996 256.022474 278.770518 12 h after dark 311.174412 311.174412 311.174412