| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.36 | 2.41 | -0.05 |
| Feb | 1.91 | 2.01 | -0.10 |
| Mar | 2.24 | 2.37 | -0.13 |
| Apr | 3.61 | 3.61 | 0.00 |
| May | 4.29 | 4.19 | 0.10 |
| Jun | 4.10 | 3.97 | 0.13 |
| Jul | 3.81 | 3.53 | 0.28 |
| Aug | 3.93 | 3.68 | 0.25 |
| Sep | 2.92 | 2.99 | -0.07 |
| Oct | 2.99 | 2.94 | 0.05 |
| Nov | 2.93 | 2.92 | 0.01 |
| Dec | 2.35 | 2.29 | 0.06 |
37.44 | 36.91 | 0.53 |