| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.67 | 2.61 | 0.06 |
| Feb | 2.22 | 2.22 | 0.00 |
| Mar | 2.38 | 2.33 | 0.05 |
| Apr | 3.59 | 3.54 | 0.05 |
| May | 4.21 | 4.23 | -0.02 |
| Jun | 4.20 | 4.19 | 0.01 |
| Jul | 3.97 | 4.14 | -0.17 |
| Aug | 4.06 | 3.89 | 0.17 |
| Sep | 3.45 | 3.33 | 0.12 |
| Oct | 3.61 | 3.46 | 0.15 |
| Nov | 2.91 | 2.82 | 0.09 |
| Dec | 2.53 | 2.39 | 0.14 |
39.80 | 39.15 | 0.65 |