condition mean min max 3 h after light 229.513975 42.5679 540.513 7 h after light 294.25869166666666 78.1553 526.071 11 h after light 184.164125 39.2775 323.009 2 h after dark 144.22408333333334 32.2716 220.476 6 h after dark 251.09574999999998 101.352 380.575 10 h after dark 285.42235 57.9602 590.03