condition mean min max 3 h after light 8.49019 5.10367 11.2976 6 h after light 8.555343333333333 7.0186 11.3066 9 h after light 5.57089 5.20226 6.05316 12 h after light 4.6384533333333335 3.31367 5.90588 3 h after dark 11.307763333333334 9.16427 15.0434 6 h after dark 13.4087 11.3464 15.4361 9 h after dark 16.513933333333334 14.9509 17.5571 12 h after dark 11.71391 8.12405 17.4849