| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.93 | -0.11 |
| Feb | 2.96 | 3.10 | -0.14 |
| Mar | 4.50 | 4.66 | -0.16 |
| Apr | 5.24 | 5.26 | -0.02 |
| May | 5.29 | 5.33 | -0.04 |
| Jun | 3.67 | 3.47 | 0.20 |
| Jul | 3.85 | 3.55 | 0.30 |
| Aug | 3.58 | 3.53 | 0.05 |
| Sep | 3.81 | 4.10 | -0.29 |
| Oct | 3.79 | 3.81 | -0.02 |
| Nov | 4.23 | 4.33 | -0.10 |
| Dec | 3.31 | 3.42 | -0.11 |
47.05 | 47.49 | -0.44 |