condition mean min max 1 h after light 18.22252275 17.04861705 19.39642845 3 h after light 12.40120102 11.17446638 13.66889821 5 h after light 15.856294583333334 13.01117497 17.96691202 7 h after light 19.615974729999998 17.16807299 21.458303 9 h after light 14.612748756666667 13.09102605 16.94554303 11 h after light 15.544068926666666 12.60437027 17.33804898 13 h after light 17.270210526666666 16.00391657 19.32436879 15 h after light 20.996529813333332 17.75948203 25.05867553 1 h after dark 17.767355803333334 16.64161346 18.39285465 3 h after dark 16.11259400333333 10.03648935 20.25013365 5 h after dark 16.950663376666668 16.48919626 17.21540671 7 h after dark 12.832791402 9.221633006 15.6465271