| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 3.97 | 0.26 |
| Feb | 4.63 | 3.80 | 0.83 |
| Mar | 3.40 | 3.30 | 0.10 |
| Apr | 1.68 | 1.77 | -0.09 |
| May | 0.99 | 1.04 | -0.05 |
| Jun | 0.27 | 0.29 | -0.02 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.03 | 0.03 | 0.00 |
| Sep | 0.12 | 0.12 | 0.00 |
| Oct | 1.03 | 1.08 | -0.05 |
| Nov | 2.37 | 2.18 | 0.19 |
| Dec | 3.92 | 4.01 | -0.09 |
22.67 | 21.59 | 1.08 |