| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.82 | -0.41 |
| Feb | 2.65 | 3.07 | -0.42 |
| Mar | 2.82 | 3.17 | -0.35 |
| Apr | 3.43 | 3.47 | -0.04 |
| May | 3.38 | 3.41 | -0.03 |
| Jun | 3.64 | 3.43 | 0.21 |
| Jul | 3.59 | 3.59 | 0.00 |
| Aug | 3.52 | 3.50 | 0.02 |
| Sep | 3.65 | 3.74 | -0.09 |
| Oct | 4.44 | 4.72 | -0.28 |
| Nov | 3.91 | 4.10 | -0.19 |
| Dec | 3.69 | 4.12 | -0.43 |
42.13 | 44.14 | -2.01 |