| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.65 | -0.05 |
| Feb | 2.21 | 2.22 | -0.01 |
| Mar | 2.33 | 2.33 | 0.00 |
| Apr | 3.57 | 3.47 | 0.10 |
| May | 4.15 | 4.15 | 0.00 |
| Jun | 4.14 | 4.08 | 0.06 |
| Jul | 3.94 | 3.98 | -0.04 |
| Aug | 3.99 | 3.86 | 0.13 |
| Sep | 3.38 | 3.30 | 0.08 |
| Oct | 3.53 | 3.43 | 0.10 |
| Nov | 2.88 | 2.79 | 0.09 |
| Dec | 2.49 | 2.41 | 0.08 |
39.21 | 38.67 | 0.54 |