6 ms·
It's simpler than that. Dense population dropoff lines up with dropoff in average rainfall: http://www.wrcc.dri.edu/pcpn/us_precip.gif http://www.wrcc.dri.edu/p
by Falcon9 10y ago
It's simpler than that. Dense population dropoff lines up with dropoff in average rainfall: http://www.wrcc.dri.edu/pcpn/us_precip.gif http://www.wrcc.dri.edu/pcpn/us_precip.gif
- eggoa 10y agoAdjust rainfall for growing season, and it might straighten out the bend in the Dakotas & Minnesota.