| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.70 | -0.09 |
| Feb | 3.38 | 3.56 | -0.18 |
| Mar | 4.72 | 4.85 | -0.13 |
| Apr | 5.31 | 5.25 | 0.06 |
| May | 5.26 | 5.32 | -0.06 |
| Jun | 4.34 | 4.73 | -0.39 |
| Jul | 4.34 | 4.30 | 0.04 |
| Aug | 3.12 | 3.09 | 0.03 |
| Sep | 3.72 | 3.73 | -0.01 |
| Oct | 3.52 | 3.60 | -0.08 |
| Nov | 3.88 | 3.99 | -0.11 |
| Dec | 3.97 | 4.21 | -0.24 |
49.17 | 50.33 | -1.16 |