| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.65 | -0.16 |
| Feb | 3.24 | 3.14 | 0.10 |
| Mar | 3.56 | 3.70 | -0.14 |
| Apr | 2.88 | 2.96 | -0.08 |
| May | 2.97 | 3.14 | -0.17 |
| Jun | 4.07 | 4.21 | -0.14 |
| Jul | 4.07 | 4.40 | -0.33 |
| Aug | 4.60 | 4.68 | -0.08 |
| Sep | 3.80 | 3.90 | -0.10 |
| Oct | 3.21 | 3.29 | -0.08 |
| Nov | 2.87 | 2.90 | -0.03 |
| Dec | 3.61 | 3.77 | -0.16 |
42.37 | 43.74 | -1.37 |