condition mean min max 4 h after light 925.508465 921.379056 929.637874 8 h after light 844.4640394999999 704.16734 984.760739 12 h after light 989.059984 774.970804 1203.149164 4 h after dark 881.342032 785.026601 977.657463 8 h after dark 855.8504975 688.206333 1023.494662 12 h after dark 1250.770518 1250.770518 1250.770518