| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.52 | 0.01 |
| Feb | 3.30 | 3.37 | -0.07 |
| Mar | 3.43 | 3.71 | -0.28 |
| Apr | 3.07 | 3.18 | -0.11 |
| May | 3.67 | 3.74 | -0.07 |
| Jun | 4.54 | 4.84 | -0.30 |
| Jul | 5.15 | 5.33 | -0.18 |
| Aug | 5.19 | 5.30 | -0.11 |
| Sep | 4.98 | 5.02 | -0.04 |
| Oct | 3.39 | 3.31 | 0.08 |
| Nov | 3.02 | 2.91 | 0.11 |
| Dec | 3.60 | 3.52 | 0.08 |
46.87 | 47.75 | -0.88 |