| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.74 | 4.82 | -0.08 |
| Feb | 4.33 | 4.41 | -0.08 |
| Mar | 4.70 | 4.78 | -0.08 |
| Apr | 4.07 | 4.12 | -0.05 |
| May | 3.79 | 3.75 | 0.04 |
| Jun | 4.40 | 4.14 | 0.26 |
| Jul | 4.41 | 3.96 | 0.45 |
| Aug | 4.88 | 5.24 | -0.36 |
| Sep | 3.99 | 4.03 | -0.04 |
| Oct | 3.67 | 3.86 | -0.19 |
| Nov | 3.84 | 3.94 | -0.10 |
| Dec | 4.91 | 5.11 | -0.20 |
51.73 | 52.16 | -0.43 |