condition mean min max 4 h after light 135.9189395 123.731917 148.105962 8 h after light 118.8220275 106.683841 130.960214 12 h after light 109.67360049999999 100.204038 119.143163 4 h after dark 154.5988535 125.888727 183.30898 8 h after dark 176.0017535 175.807992 176.195515 12 h after dark 192.526731 192.526731 192.526731