| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.76 | -0.18 |
| Feb | 2.10 | 2.26 | -0.16 |
| Mar | 2.71 | 2.82 | -0.11 |
| Apr | 3.63 | 3.76 | -0.13 |
| May | 3.71 | 3.84 | -0.13 |
| Jun | 4.01 | 4.04 | -0.03 |
| Jul | 3.67 | 3.83 | -0.16 |
| Aug | 3.55 | 3.59 | -0.04 |
| Sep | 3.48 | 3.49 | -0.01 |
| Oct | 3.22 | 3.28 | -0.06 |
| Nov | 2.84 | 2.94 | -0.10 |
| Dec | 2.58 | 2.75 | -0.17 |
38.08 | 39.36 | -1.28 |