| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.06 | -0.01 |
| Feb | 1.07 | 1.13 | -0.06 |
| Mar | 1.69 | 1.80 | -0.11 |
| Apr | 1.61 | 1.70 | -0.09 |
| May | 2.58 | 2.81 | -0.23 |
| Jun | 2.20 | 2.15 | 0.05 |
| Jul | 2.16 | 2.25 | -0.09 |
| Aug | 1.74 | 1.84 | -0.10 |
| Sep | 2.85 | 3.19 | -0.34 |
| Oct | 2.05 | 2.21 | -0.16 |
| Nov | 1.20 | 1.25 | -0.05 |
| Dec | 1.17 | 1.18 | -0.01 |
21.37 | 22.57 | -1.20 |