| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.69 | 0.04 |
| Feb | 0.66 | 0.64 | 0.02 |
| Mar | 1.05 | 1.04 | 0.01 |
| Apr | 1.82 | 1.84 | -0.02 |
| May | 2.88 | 2.89 | -0.01 |
| Jun | 4.19 | 4.09 | 0.10 |
| Jul | 3.64 | 3.84 | -0.20 |
| Aug | 3.19 | 3.10 | 0.09 |
| Sep | 2.86 | 2.92 | -0.06 |
| Oct | 2.56 | 2.55 | 0.01 |
| Nov | 1.20 | 1.12 | 0.08 |
| Dec | 0.91 | 0.89 | 0.02 |
25.69 | 25.61 | 0.08 |