condition mean min max 4 h after light 4.75323 4.62215 4.98684 8 h after light 4.790136666666667 4.61409 5.13628 12 h after light 4.66756 4.568969999999999 4.8574 4 h after dark 4.6792766666666665 4.52935 4.88835 8 h after dark 4.709196666666667 4.5471900000000005 4.98234 12 h after dark 4.68304 4.51858 4.91527