| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 3.07 | -0.12 |
| Feb | 2.62 | 2.73 | -0.11 |
| Mar | 3.68 | 3.82 | -0.14 |
| Apr | 3.36 | 3.41 | -0.05 |
| May | 4.24 | 4.42 | -0.18 |
| Jun | 4.19 | 4.33 | -0.14 |
| Jul | 4.41 | 4.54 | -0.13 |
| Aug | 3.65 | 3.82 | -0.17 |
| Sep | 4.22 | 4.46 | -0.24 |
| Oct | 3.77 | 3.95 | -0.18 |
| Nov | 3.07 | 3.19 | -0.12 |
| Dec | 3.58 | 3.64 | -0.06 |
43.74 | 45.38 | -1.64 |