| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.22 | -0.02 |
| Feb | 3.81 | 3.82 | -0.01 |
| Mar | 4.49 | 4.61 | -0.12 |
| Apr | 3.96 | 4.00 | -0.04 |
| May | 3.88 | 3.88 | 0.00 |
| Jun | 4.29 | 4.07 | 0.22 |
| Jul | 4.06 | 4.21 | -0.15 |
| Aug | 4.47 | 4.71 | -0.24 |
| Sep | 3.86 | 3.76 | 0.10 |
| Oct | 3.39 | 3.56 | -0.17 |
| Nov | 3.67 | 3.87 | -0.20 |
| Dec | 4.42 | 4.78 | -0.36 |
48.50 | 49.49 | -0.99 |