| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.51 | 2.44 | 0.07 |
| Feb | 1.98 | 2.06 | -0.08 |
| Mar | 2.84 | 2.81 | 0.03 |
| Apr | 4.05 | 4.06 | -0.01 |
| May | 4.51 | 4.43 | 0.08 |
| Jun | 4.76 | 4.78 | -0.02 |
| Jul | 4.21 | 4.31 | -0.10 |
| Aug | 3.33 | 3.35 | -0.02 |
| Sep | 2.92 | 2.89 | 0.03 |
| Oct | 3.18 | 3.17 | 0.01 |
| Nov | 3.14 | 3.12 | 0.02 |
| Dec | 2.47 | 2.53 | -0.06 |
39.90 | 39.95 | -0.05 |