condition mean min max 1 h after light 8.358665537 7.967506669 8.749824405 3 h after light 13.830381783333333 10.24205365 16.49064049 5 h after light 18.590006793333334 17.37190218 19.43226532 7 h after light 16.54345224 16.25682384 16.75971537 9 h after light 19.82622959 17.14869282 24.89122288 11 h after light 18.735416213333334 17.52789535 19.60957163 1 h after dark 15.192342086666665 14.44459236 15.762494199999997 3 h after dark 20.447798933333335 17.28087129 22.50561493 5 h after dark 20.976823593333332 18.61150166 24.75203559 7 h after dark 20.797971206666666 20.37735164 21.57570013 9 h after dark 19.17578883 17.88163216 21.04383386 11 h after dark 18.216499563333333 17.35685096 19.0715865