| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.49 | -0.20 |
| Feb | 2.80 | 3.10 | -0.30 |
| Mar | 3.53 | 3.81 | -0.28 |
| Apr | 3.55 | 3.73 | -0.18 |
| May | 3.67 | 3.43 | 0.24 |
| Jun | 4.45 | 4.32 | 0.13 |
| Jul | 4.12 | 3.97 | 0.15 |
| Aug | 4.41 | 4.08 | 0.33 |
| Sep | 4.25 | 4.08 | 0.17 |
| Oct | 4.73 | 4.81 | -0.08 |
| Nov | 3.44 | 3.65 | -0.21 |
| Dec | 3.99 | 4.09 | -0.10 |
46.23 | 46.56 | -0.33 |