| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.14 | 4.21 | -0.07 |
| Feb | 3.74 | 3.87 | -0.13 |
| Mar | 4.36 | 4.46 | -0.10 |
| Apr | 3.10 | 3.33 | -0.23 |
| May | 2.90 | 2.83 | 0.07 |
| Jun | 5.40 | 5.59 | -0.19 |
| Jul | 5.16 | 5.16 | 0.00 |
| Aug | 5.44 | 5.72 | -0.28 |
| Sep | 4.21 | 4.27 | -0.06 |
| Oct | 2.94 | 2.99 | -0.05 |
| Nov | 2.39 | 2.53 | -0.14 |
| Dec | 3.48 | 3.61 | -0.13 |
47.26 | 48.57 | -1.31 |