| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.52 | 1.52 | 0.00 |
| Feb | 1.62 | 1.62 | 0.00 |
| Mar | 2.33 | 2.10 | 0.23 |
| Apr | 3.66 | 3.61 | 0.05 |
| May | 4.21 | 4.38 | -0.17 |
| Jun | 5.47 | 5.29 | 0.18 |
| Jul | 4.41 | 4.13 | 0.28 |
| Aug | 3.94 | 4.02 | -0.08 |
| Sep | 3.75 | 4.01 | -0.26 |
| Oct | 2.88 | 2.87 | 0.01 |
| Nov | 2.33 | 2.28 | 0.05 |
| Dec | 1.85 | 1.87 | -0.02 |
37.97 | 37.70 | 0.27 |