Download PRISM time series data

download_prism.sh

#!/bin/bash

# this is the new URL and directory structure as of September 2025
SOURCE_URL="ftp://prism.oregonstate.edu/time_series/us/an/4km/"

# point to the PARENT folder. 
# wget will append the remote path (/PRISM/time_series/...) to this.
LOCAL_DIR="/your/download/directory"

# 2. EXECUTION
# --------------------
# -m            : Mirror mode
# -np           : No Parent
# -nH           : No Host directories (Do not create 'prism.oregonstate.edu')
# -P            : Directory Prefix (The base folder)
# --passive-ftp : Use passive mode

wget -m -np -nH --passive-ftp -P "$LOCAL_DIR" "$SOURCE_URL"