| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.67 | 3.74 | -0.07 |
| Feb | 3.12 | 3.22 | -0.10 |
| Mar | 4.01 | 3.90 | 0.11 |
| Apr | 3.85 | 4.31 | -0.46 |
| May | 3.87 | 3.69 | 0.18 |
| Jun | 4.25 | 4.25 | 0.00 |
| Jul | 4.34 | 4.46 | -0.12 |
| Aug | 4.39 | 4.62 | -0.23 |
| Sep | 3.97 | 3.92 | 0.05 |
| Oct | 3.05 | 3.14 | -0.09 |
| Nov | 3.25 | 3.19 | 0.06 |
| Dec | 3.87 | 3.88 | -0.01 |
45.64 | 46.32 | -0.68 |