| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.72 | 4.78 | -0.06 |
| Feb | 4.92 | 4.94 | -0.02 |
| Mar | 5.14 | 5.16 | -0.02 |
| Apr | 4.18 | 4.26 | -0.08 |
| May | 3.99 | 3.87 | 0.12 |
| Jun | 4.65 | 4.72 | -0.07 |
| Jul | 4.56 | 4.74 | -0.18 |
| Aug | 4.10 | 4.23 | -0.13 |
| Sep | 3.72 | 3.47 | 0.25 |
| Oct | 3.00 | 3.03 | -0.03 |
| Nov | 3.83 | 3.96 | -0.13 |
| Dec | 5.02 | 5.06 | -0.04 |
51.83 | 52.22 | -0.39 |