| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.39 | -0.01 |
| Feb | 3.56 | 3.43 | 0.13 |
| Mar | 4.70 | 4.52 | 0.18 |
| Apr | 5.46 | 5.68 | -0.22 |
| May | 5.51 | 5.34 | 0.17 |
| Jun | 3.73 | 3.65 | 0.08 |
| Jul | 4.23 | 4.42 | -0.19 |
| Aug | 3.72 | 3.55 | 0.17 |
| Sep | 3.58 | 3.49 | 0.09 |
| Oct | 3.72 | 3.64 | 0.08 |
| Nov | 4.69 | 4.55 | 0.14 |
| Dec | 3.99 | 4.02 | -0.03 |
50.27 | 49.68 | 0.59 |