| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.32 | 1.50 | -0.18 |
| Feb | 1.24 | 1.42 | -0.18 |
| Mar | 1.95 | 2.04 | -0.09 |
| Apr | 3.58 | 3.62 | -0.04 |
| May | 4.00 | 4.06 | -0.06 |
| Jun | 4.84 | 4.99 | -0.15 |
| Jul | 3.82 | 4.09 | -0.27 |
| Aug | 4.30 | 3.91 | 0.39 |
| Sep | 3.28 | 3.27 | 0.01 |
| Oct | 2.87 | 2.91 | -0.04 |
| Nov | 2.06 | 2.10 | -0.04 |
| Dec | 1.56 | 1.70 | -0.14 |
34.82 | 35.61 | -0.79 |