| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.55 | 2.67 | -0.12 |
| Feb | 2.32 | 2.35 | -0.03 |
| Mar | 3.49 | 3.58 | -0.09 |
| Apr | 4.68 | 4.69 | -0.01 |
| May | 4.91 | 4.88 | 0.03 |
| Jun | 4.27 | 4.18 | 0.09 |
| Jul | 3.87 | 3.88 | -0.01 |
| Aug | 3.51 | 3.45 | 0.06 |
| Sep | 3.47 | 3.50 | -0.03 |
| Oct | 3.11 | 3.10 | 0.01 |
| Nov | 3.48 | 3.45 | 0.03 |
| Dec | 2.62 | 2.61 | 0.01 |
42.28 | 42.34 | -0.06 |