| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.27 | 4.41 | -0.14 |
| Feb | 3.85 | 4.00 | -0.15 |
| Mar | 4.55 | 4.50 | 0.05 |
| Apr | 3.40 | 3.36 | 0.04 |
| May | 3.00 | 2.73 | 0.27 |
| Jun | 5.82 | 5.70 | 0.12 |
| Jul | 5.68 | 5.78 | -0.10 |
| Aug | 5.37 | 5.52 | -0.15 |
| Sep | 4.16 | 4.34 | -0.18 |
| Oct | 3.17 | 2.94 | 0.23 |
| Nov | 2.49 | 2.60 | -0.11 |
| Dec | 3.48 | 3.59 | -0.11 |
49.24 | 49.47 | -0.23 |