| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.14 | 4.19 | -0.05 |
| Feb | 4.66 | 4.78 | -0.12 |
| Mar | 4.85 | 5.06 | -0.21 |
| Apr | 5.03 | 5.10 | -0.07 |
| May | 5.23 | 5.70 | -0.47 |
| Jun | 4.70 | 4.17 | 0.53 |
| Jul | 4.34 | 4.68 | -0.34 |
| Aug | 3.75 | 3.55 | 0.20 |
| Sep | 3.61 | 3.73 | -0.12 |
| Oct | 3.83 | 4.05 | -0.22 |
| Nov | 4.02 | 3.99 | 0.03 |
| Dec | 4.89 | 5.04 | -0.15 |
53.05 | 54.04 | -0.99 |