| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.89 | 3.10 | -0.21 |
| Feb | 2.45 | 2.53 | -0.08 |
| Mar | 3.17 | 3.21 | -0.04 |
| Apr | 3.36 | 3.31 | 0.05 |
| May | 3.87 | 3.83 | 0.04 |
| Jun | 4.13 | 4.19 | -0.06 |
| Jul | 4.20 | 4.10 | 0.10 |
| Aug | 3.58 | 3.43 | 0.15 |
| Sep | 3.37 | 3.35 | 0.02 |
| Oct | 2.88 | 2.85 | 0.03 |
| Nov | 2.74 | 2.86 | -0.12 |
| Dec | 3.00 | 3.13 | -0.13 |
39.64 | 39.89 | -0.25 |