30 CFR § 779.18
Climatological information
July 29, 2020
(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) The average seasonal precipitation;
(2) The average direction and velocity of prevailing winds; and
(3) Seasonal temperature ranges.
(b) The regulatory authority may request such additional data as deemed necessary to ensure compliance with the requirements of this subchapter.
[44 FR 15354, Mar. 13, 1979, as amended at 45 FR 51550, Aug. 4, 1980; 81 FR 93327, Dec. 20, 2016; 82 FR 54948, Nov. 17, 2017]