| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.05 | 4.05 | 0.00 |
| Feb | 3.99 | 4.07 | -0.08 |
| Mar | 4.68 | 4.77 | -0.09 |
| Apr | 4.17 | 4.43 | -0.26 |
| May | 4.73 | 4.93 | -0.20 |
| Jun | 4.19 | 4.28 | -0.09 |
| Jul | 2.99 | 2.98 | 0.01 |
| Aug | 2.73 | 2.81 | -0.08 |
| Sep | 3.33 | 3.52 | -0.19 |
| Oct | 4.53 | 4.36 | 0.17 |
| Nov | 3.85 | 3.76 | 0.09 |
| Dec | 4.50 | 4.69 | -0.19 |
47.74 | 48.65 | -0.91 |