| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.30 | -0.05 |
| Feb | 1.86 | 1.92 | -0.06 |
| Mar | 2.52 | 2.51 | 0.01 |
| Apr | 3.71 | 3.73 | -0.02 |
| May | 4.30 | 4.37 | -0.07 |
| Jun | 5.04 | 5.17 | -0.13 |
| Jul | 4.30 | 4.55 | -0.25 |
| Aug | 3.55 | 3.53 | 0.02 |
| Sep | 2.99 | 3.14 | -0.15 |
| Oct | 3.11 | 3.13 | -0.02 |
| Nov | 2.66 | 2.67 | -0.01 |
| Dec | 2.12 | 2.23 | -0.11 |
38.41 | 39.25 | -0.84 |