condition mean min max 1 h after light 6.5416755355 6.158719982999999 6.924631088 3 h after light 6.885245882333334 6.3353986110000005 7.412487089 5 h after light 7.1439866363333335 6.8392073579999995 7.565015585 7 h after light 8.50183011 7.842628509 9.36817487 9 h after light 7.905487164 7.3142031670000005 8.593497118 11 h after light 7.502113473666666 6.258670323 8.402913511 13 h after light 7.235030696 7.029934411 7.442070827 15 h after light 8.992469948 8.069742966 10.05500085 1 h after dark 7.3802777090000005 6.796574866 7.701691205 3 h after dark 7.660638617666667 7.220463604 8.218103565 5 h after dark 6.885829844666667 6.203729501000001 7.479635417999999 7 h after dark 7.276623131666667 6.090594442 9.019994622