| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.68 | -0.18 |
| Feb | 2.79 | 2.94 | -0.15 |
| Mar | 4.00 | 4.24 | -0.24 |
| Apr | 3.87 | 3.97 | -0.10 |
| May | 4.08 | 4.16 | -0.08 |
| Jun | 4.36 | 4.54 | -0.18 |
| Jul | 4.91 | 4.90 | 0.01 |
| Aug | 4.49 | 4.37 | 0.12 |
| Sep | 4.50 | 4.31 | 0.19 |
| Oct | 4.19 | 4.28 | -0.09 |
| Nov | 3.34 | 3.35 | -0.01 |
| Dec | 4.22 | 4.42 | -0.20 |
48.25 | 49.16 | -0.91 |