| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.75 | -0.05 |
| Feb | 0.68 | 0.72 | -0.04 |
| Mar | 1.18 | 1.21 | -0.03 |
| Apr | 1.99 | 2.10 | -0.11 |
| May | 3.09 | 3.24 | -0.15 |
| Jun | 4.36 | 4.28 | 0.08 |
| Jul | 4.13 | 4.18 | -0.05 |
| Aug | 3.23 | 3.31 | -0.08 |
| Sep | 3.02 | 3.04 | -0.02 |
| Oct | 2.72 | 2.74 | -0.02 |
| Nov | 1.22 | 1.30 | -0.08 |
| Dec | 0.91 | 0.98 | -0.07 |
27.23 | 27.85 | -0.62 |