PRISM_DATASET_FILENAME: prism_ppt_us_25m_1898.nc
PRISM_DATASET_CREATE_DATE: 20260729-1339
PRISM_SOURCE_FILENAME: cai_ppt_us_us_30s_189801.bil, cai_ppt_us_us_30s_189802.bil, cai_ppt_us_us_30s_189803.bil, cai_ppt_us_us_30s_189804.bil, cai_ppt_us_us_30s_189805.bil, cai_ppt_us_us_30s_189806.bil, cai_ppt_us_us_30s_189807.bil, cai_ppt_us_us_30s_189808.bil, cai_ppt_us_us_30s_189809.bil, cai_ppt_us_us_30s_189810.bil, cai_ppt_us_us_30s_189811.bil, cai_ppt_us_us_30s_189812.bil
PRISM_SOURCE_CREATE_DATE: 20130802-0043, 20130802-0043, 20130802-0043, 20130802-0043, 20130802-0043, 20130802-0043, 20130802-0043, 20130802-0043, 20130802-0043, 20130802-0043, 20130802-0044, 20130802-0044
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.
