| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.77 | 4.78 | -0.01 |
| Feb | 4.61 | 4.65 | -0.04 |
| Mar | 5.14 | 5.24 | -0.10 |
| Apr | 4.45 | 4.49 | -0.04 |
| May | 3.90 | 3.93 | -0.03 |
| Jun | 3.88 | 4.00 | -0.12 |
| Jul | 4.01 | 4.05 | -0.04 |
| Aug | 3.89 | 3.94 | -0.05 |
| Sep | 3.85 | 3.80 | 0.05 |
| Oct | 3.40 | 3.53 | -0.13 |
| Nov | 4.24 | 4.21 | 0.03 |
| Dec | 5.11 | 5.11 | 0.00 |
51.25 | 51.73 | -0.48 |