| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.48 | 1.53 | -0.05 |
| Feb | 1.60 | 1.65 | -0.05 |
| Mar | 2.16 | 2.04 | 0.12 |
| Apr | 3.65 | 3.82 | -0.17 |
| May | 4.12 | 4.12 | 0.00 |
| Jun | 5.60 | 5.89 | -0.29 |
| Jul | 4.13 | 3.82 | 0.31 |
| Aug | 4.30 | 4.35 | -0.05 |
| Sep | 3.83 | 3.97 | -0.14 |
| Oct | 2.97 | 3.11 | -0.14 |
| Nov | 2.43 | 2.25 | 0.18 |
| Dec | 1.86 | 1.80 | 0.06 |
38.13 | 38.35 | -0.22 |