| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.41 | -0.17 |
| Feb | 2.78 | 2.77 | 0.01 |
| Mar | 3.94 | 3.92 | 0.02 |
| Apr | 3.72 | 3.68 | 0.04 |
| May | 3.88 | 3.82 | 0.06 |
| Jun | 4.40 | 4.10 | 0.30 |
| Jul | 4.78 | 4.73 | 0.05 |
| Aug | 4.39 | 4.47 | -0.08 |
| Sep | 4.67 | 4.62 | 0.05 |
| Oct | 4.11 | 4.19 | -0.08 |
| Nov | 3.21 | 3.21 | 0.00 |
| Dec | 4.12 | 4.23 | -0.11 |
47.24 | 47.15 | 0.09 |