| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.88 | 1.84 | 0.04 |
| Feb | 1.70 | 1.76 | -0.06 |
| Mar | 2.54 | 2.42 | 0.12 |
| Apr | 2.54 | 2.53 | 0.01 |
| May | 3.94 | 3.78 | 0.16 |
| Jun | 3.58 | 3.25 | 0.33 |
| Jul | 2.26 | 2.41 | -0.15 |
| Aug | 2.53 | 2.61 | -0.08 |
| Sep | 3.54 | 3.48 | 0.06 |
| Oct | 3.02 | 3.07 | -0.05 |
| Nov | 2.29 | 2.39 | -0.10 |
| Dec | 2.03 | 2.17 | -0.14 |
31.85 | 31.71 | 0.14 |