| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 2.84 | 0.01 |
| Feb | 2.42 | 2.41 | 0.01 |
| Mar | 3.39 | 3.33 | 0.06 |
| Apr | 3.72 | 3.51 | 0.21 |
| May | 4.00 | 3.66 | 0.34 |
| Jun | 4.10 | 4.03 | 0.07 |
| Jul | 4.07 | 3.77 | 0.30 |
| Aug | 3.91 | 3.92 | -0.01 |
| Sep | 4.22 | 3.94 | 0.28 |
| Oct | 3.58 | 3.48 | 0.10 |
| Nov | 3.14 | 2.97 | 0.17 |
| Dec | 3.24 | 3.14 | 0.10 |
42.64 | 41.00 | 1.64 |