| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.47 | 0.00 |
| Feb | 0.65 | 0.65 | 0.00 |
| Mar | 1.22 | 1.27 | -0.05 |
| Apr | 1.85 | 1.90 | -0.05 |
| May | 3.25 | 3.33 | -0.08 |
| Jun | 2.95 | 2.87 | 0.08 |
| Jul | 3.30 | 3.57 | -0.27 |
| Aug | 2.85 | 2.96 | -0.11 |
| Sep | 1.68 | 1.75 | -0.07 |
| Oct | 1.58 | 1.59 | -0.01 |
| Nov | 0.71 | 0.71 | 0.00 |
| Dec | 0.68 | 0.73 | -0.05 |
21.19 | 21.80 | -0.61 |