| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.80 | 1.91 | -0.11 |
| Feb | 1.51 | 1.60 | -0.09 |
| Mar | 1.76 | 1.80 | -0.04 |
| Apr | 3.26 | 3.25 | 0.01 |
| May | 3.38 | 3.45 | -0.07 |
| Jun | 3.46 | 3.49 | -0.03 |
| Jul | 3.23 | 3.24 | -0.01 |
| Aug | 3.22 | 3.33 | -0.11 |
| Sep | 2.62 | 2.68 | -0.06 |
| Oct | 3.04 | 3.18 | -0.14 |
| Nov | 2.37 | 2.45 | -0.08 |
| Dec | 1.90 | 1.99 | -0.09 |
31.55 | 32.37 | -0.82 |