| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.66 | -0.04 |
| Feb | 2.88 | 2.80 | 0.08 |
| Mar | 3.99 | 3.94 | 0.05 |
| Apr | 3.36 | 3.54 | -0.18 |
| May | 3.91 | 3.88 | 0.03 |
| Jun | 4.50 | 4.58 | -0.08 |
| Jul | 5.35 | 5.28 | 0.07 |
| Aug | 5.25 | 5.35 | -0.10 |
| Sep | 5.40 | 5.39 | 0.01 |
| Oct | 3.81 | 4.03 | -0.22 |
| Nov | 3.24 | 3.20 | 0.04 |
| Dec | 3.44 | 3.55 | -0.11 |
48.75 | 49.20 | -0.45 |