| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.91 | 7.58 | 0.33 |
| Feb | 6.87 | 6.25 | 0.62 |
| Mar | 6.99 | 6.73 | 0.26 |
| Apr | 4.44 | 4.40 | 0.04 |
| May | 2.24 | 2.10 | 0.14 |
| Jun | 0.89 | 1.01 | -0.12 |
| Jul | 0.16 | 0.21 | -0.05 |
| Aug | 0.18 | 0.19 | -0.01 |
| Sep | 0.76 | 0.77 | -0.01 |
| Oct | 2.85 | 2.69 | 0.16 |
| Nov | 5.84 | 5.47 | 0.37 |
| Dec | 9.62 | 9.13 | 0.49 |
48.75 | 46.53 | 2.22 |