| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.60 | 0.09 |
| Feb | 4.12 | 4.06 | 0.06 |
| Mar | 5.07 | 4.94 | 0.13 |
| Apr | 5.65 | 5.40 | 0.25 |
| May | 5.45 | 5.45 | 0.00 |
| Jun | 3.60 | 3.38 | 0.22 |
| Jul | 3.72 | 3.85 | -0.13 |
| Aug | 3.58 | 3.37 | 0.21 |
| Sep | 3.24 | 3.20 | 0.04 |
| Oct | 4.39 | 4.16 | 0.23 |
| Nov | 4.67 | 4.90 | -0.23 |
| Dec | 5.07 | 5.16 | -0.09 |
52.25 | 51.47 | 0.78 |