| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.80 | -0.03 |
| Feb | 0.71 | 0.71 | 0.00 |
| Mar | 1.22 | 1.20 | 0.02 |
| Apr | 1.96 | 2.01 | -0.05 |
| May | 3.05 | 3.15 | -0.10 |
| Jun | 4.45 | 4.38 | 0.07 |
| Jul | 4.02 | 4.12 | -0.10 |
| Aug | 3.20 | 3.35 | -0.15 |
| Sep | 3.01 | 3.17 | -0.16 |
| Oct | 2.69 | 2.68 | 0.01 |
| Nov | 1.33 | 1.38 | -0.05 |
| Dec | 0.97 | 1.05 | -0.08 |
27.38 | 28.00 | -0.62 |