| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.81 | -0.07 |
| Feb | 2.91 | 2.96 | -0.05 |
| Mar | 3.66 | 3.69 | -0.03 |
| Apr | 3.57 | 3.41 | 0.16 |
| May | 4.83 | 4.67 | 0.16 |
| Jun | 3.85 | 3.89 | -0.04 |
| Jul | 1.96 | 2.05 | -0.09 |
| Aug | 2.34 | 2.51 | -0.17 |
| Sep | 2.87 | 3.06 | -0.19 |
| Oct | 4.70 | 4.73 | -0.03 |
| Nov | 2.97 | 3.05 | -0.08 |
| Dec | 3.34 | 3.45 | -0.11 |
39.74 | 40.28 | -0.54 |