| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.72 | 0.00 |
| Feb | 2.87 | 2.92 | -0.05 |
| Mar | 3.94 | 4.06 | -0.12 |
| Apr | 3.72 | 3.61 | 0.11 |
| May | 4.28 | 4.43 | -0.15 |
| Jun | 4.41 | 4.50 | -0.09 |
| Jul | 4.19 | 4.02 | 0.17 |
| Aug | 4.12 | 4.14 | -0.02 |
| Sep | 4.72 | 5.17 | -0.45 |
| Oct | 3.54 | 3.48 | 0.06 |
| Nov | 3.25 | 3.09 | 0.16 |
| Dec | 3.62 | 3.52 | 0.10 |
46.38 | 46.66 | -0.28 |