| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.44 | 0.02 |
| Feb | 3.16 | 3.15 | 0.01 |
| Mar | 3.45 | 3.52 | -0.07 |
| Apr | 3.15 | 3.25 | -0.10 |
| May | 3.45 | 3.27 | 0.18 |
| Jun | 5.66 | 5.90 | -0.24 |
| Jul | 5.71 | 5.61 | 0.10 |
| Aug | 5.97 | 6.62 | -0.65 |
| Sep | 4.58 | 4.79 | -0.21 |
| Oct | 3.67 | 4.05 | -0.38 |
| Nov | 2.34 | 2.58 | -0.24 |
| Dec | 3.05 | 3.35 | -0.30 |
47.65 | 49.53 | -1.88 |