| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.59 | -0.18 |
| Feb | 2.79 | 2.88 | -0.09 |
| Mar | 4.19 | 4.41 | -0.22 |
| Apr | 3.66 | 3.65 | 0.01 |
| May | 3.57 | 3.68 | -0.11 |
| Jun | 4.22 | 4.33 | -0.11 |
| Jul | 4.72 | 4.58 | 0.14 |
| Aug | 4.44 | 4.75 | -0.31 |
| Sep | 4.12 | 4.17 | -0.05 |
| Oct | 3.83 | 3.96 | -0.13 |
| Nov | 3.18 | 3.22 | -0.04 |
| Dec | 4.16 | 4.37 | -0.21 |
46.29 | 47.59 | -1.30 |