1. (a) When requested by the regulatory authority, the application shall contain a statement of the climatological factors that are representative of the proposed permit area, including—

   1. (1) The average seasonal precipitation;
   2. (2) The average direction and velocity of prevailing winds; and
   3. (3) Seasonal temperature ranges.
2. (b) The regulatory authority may request such additional data as deemed necessary to ensure compliance with the requirements of this subchapter.

[44 FR 15363, Mar. 13, 1979, as amended at 45 FR 51550, Aug. 4, 1980; 81 FR 93330, Dec. 20, 2016; 82 FR 54956, Nov. 17, 2017]