| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.05 | -0.12 |
| Feb | 2.39 | 2.53 | -0.14 |
| Mar | 3.29 | 3.42 | -0.13 |
| Apr | 4.30 | 4.55 | -0.25 |
| May | 4.63 | 4.69 | -0.06 |
| Jun | 4.97 | 4.98 | -0.01 |
| Jul | 4.23 | 4.36 | -0.13 |
| Aug | 3.28 | 3.03 | 0.25 |
| Sep | 3.28 | 3.34 | -0.06 |
| Oct | 3.36 | 3.30 | 0.06 |
| Nov | 3.38 | 3.41 | -0.03 |
| Dec | 2.85 | 2.99 | -0.14 |
42.89 | 43.65 | -0.76 |