| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.33 | 0.04 |
| Feb | 0.53 | 0.49 | 0.04 |
| Mar | 0.77 | 0.83 | -0.06 |
| Apr | 1.83 | 1.77 | 0.06 |
| May | 2.68 | 2.67 | 0.01 |
| Jun | 1.77 | 2.00 | -0.23 |
| Jul | 1.80 | 1.58 | 0.22 |
| Aug | 1.05 | 1.04 | 0.01 |
| Sep | 1.00 | 1.04 | -0.04 |
| Oct | 1.03 | 1.16 | -0.13 |
| Nov | 0.49 | 0.50 | -0.01 |
| Dec | 0.40 | 0.37 | 0.03 |
13.72 | 13.78 | -0.06 |