PRISM_DATASET_FILENAME: prism_ppt_us_25m_1909.nc
PRISM_DATASET_CREATE_DATE: 20260729-1333
PRISM_SOURCE_FILENAME: cai_ppt_us_us_30s_190901.bil, cai_ppt_us_us_30s_190902.bil, cai_ppt_us_us_30s_190903.bil, cai_ppt_us_us_30s_190904.bil, cai_ppt_us_us_30s_190905.bil, cai_ppt_us_us_30s_190906.bil, cai_ppt_us_us_30s_190907.bil, cai_ppt_us_us_30s_190908.bil, cai_ppt_us_us_30s_190909.bil, cai_ppt_us_us_30s_190910.bil, cai_ppt_us_us_30s_190911.bil, cai_ppt_us_us_30s_190912.bil
PRISM_SOURCE_CREATE_DATE: 20130802-0059, 20130802-0059, 20130802-0059, 20130802-0059, 20130802-0059, 20130802-0059, 20130802-0059, 20130802-0059, 20130802-0059, 20130802-0059, 20130802-0100, 20130802-0100
PRISM_DATASET_TYPE: an81/r1308
PRISM_DATASET_VERSION: M2
PRISM_CODE_VERSION: 13.1-20130717-1308
PRISM_DATASET_RELEASE_NUMBER: 7
PRISM_DATASET_REMARKS: This grid was developed in three steps: (1) precipitation data were modeled with PRISM at 30-arc-second (~800m) resolution to produce the source grid(s) listed under PRISM_SOURCE_FILENAME, on the date(s) listed under PRISM_SOURCE_CREATE_DATE; (2) These twelve monthly 800m grids were then upscaled to 2.5-arc-minute(~ 4km) resolution with a Gaussian filter; and (3) The resulting twelve monthly 4km grids were summed to obtain a 4km mean annual precipitation grid.
