| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.65 | -0.12 |
| Feb | 3.09 | 3.23 | -0.14 |
| Mar | 4.20 | 4.31 | -0.11 |
| Apr | 4.30 | 4.43 | -0.13 |
| May | 3.88 | 3.94 | -0.06 |
| Jun | 4.34 | 4.35 | -0.01 |
| Jul | 3.84 | 3.90 | -0.06 |
| Aug | 3.97 | 4.19 | -0.22 |
| Sep | 4.45 | 4.43 | 0.02 |
| Oct | 4.48 | 4.65 | -0.17 |
| Nov | 3.76 | 3.67 | 0.09 |
| Dec | 4.37 | 4.42 | -0.05 |
48.21 | 49.17 | -0.96 |