| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.20 | 1.27 | -0.07 |
| Feb | 1.43 | 1.52 | -0.09 |
| Mar | 2.23 | 2.29 | -0.06 |
| Apr | 3.74 | 3.72 | 0.02 |
| May | 4.70 | 4.65 | 0.05 |
| Jun | 5.43 | 5.15 | 0.28 |
| Jul | 4.26 | 4.24 | 0.02 |
| Aug | 3.97 | 4.01 | -0.04 |
| Sep | 3.66 | 3.52 | 0.14 |
| Oct | 2.99 | 2.92 | 0.07 |
| Nov | 2.12 | 2.17 | -0.05 |
| Dec | 1.66 | 1.73 | -0.07 |
37.39 | 37.19 | 0.20 |