| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.38 | -0.12 |
| Feb | 2.55 | 2.67 | -0.12 |
| Mar | 3.57 | 3.57 | 0.00 |
| Apr | 4.84 | 5.01 | -0.17 |
| May | 5.00 | 5.02 | -0.02 |
| Jun | 5.14 | 5.18 | -0.04 |
| Jul | 4.65 | 4.59 | 0.06 |
| Aug | 3.17 | 3.20 | -0.03 |
| Sep | 3.49 | 3.58 | -0.09 |
| Oct | 3.68 | 3.67 | 0.01 |
| Nov | 3.85 | 3.87 | -0.02 |
| Dec | 3.20 | 3.28 | -0.08 |
46.40 | 47.02 | -0.62 |