| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.63 | -0.28 |
| Feb | 2.71 | 2.97 | -0.26 |
| Mar | 3.95 | 4.13 | -0.18 |
| Apr | 3.87 | 4.12 | -0.25 |
| May | 3.91 | 3.90 | 0.01 |
| Jun | 4.57 | 4.67 | -0.10 |
| Jul | 4.44 | 4.54 | -0.10 |
| Aug | 4.49 | 4.65 | -0.16 |
| Sep | 4.34 | 4.37 | -0.03 |
| Oct | 4.33 | 4.49 | -0.16 |
| Nov | 3.58 | 3.77 | -0.19 |
| Dec | 4.19 | 4.48 | -0.29 |
47.73 | 49.72 | -1.99 |