condition mean min max 4 h after light 5736.626333333333 5499.741999999999 5888.39 8 h after light 1907.0146666666667 1210.312 2595.936 12 h after light 765.3826 711.4084 845.2532 16 h after light 2593.0406666666668 2214.456 2915.7270000000003 4 h after dark 3879.019 3679.553 4010.555 8 h after dark 4782.711333333333 3589.35 6091.151999999999