| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 3.97 | -0.12 |
| Feb | 3.88 | 3.90 | -0.02 |
| Mar | 4.76 | 4.88 | -0.12 |
| Apr | 5.06 | 5.13 | -0.07 |
| May | 4.98 | 5.13 | -0.15 |
| Jun | 4.60 | 4.53 | 0.07 |
| Jul | 4.10 | 4.23 | -0.13 |
| Aug | 3.17 | 2.97 | 0.20 |
| Sep | 3.40 | 3.48 | -0.08 |
| Oct | 3.82 | 3.87 | -0.05 |
| Nov | 4.19 | 4.21 | -0.02 |
| Dec | 4.32 | 4.31 | 0.01 |
50.13 | 50.61 | -0.48 |