| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.60 | -0.03 |
| Feb | 3.35 | 3.41 | -0.06 |
| Mar | 4.64 | 4.70 | -0.06 |
| Apr | 5.24 | 5.31 | -0.07 |
| May | 5.56 | 5.26 | 0.30 |
| Jun | 4.85 | 4.91 | -0.06 |
| Jul | 4.25 | 4.68 | -0.43 |
| Aug | 3.04 | 3.16 | -0.12 |
| Sep | 3.56 | 3.78 | -0.22 |
| Oct | 3.61 | 3.57 | 0.04 |
| Nov | 4.12 | 4.10 | 0.02 |
| Dec | 4.12 | 4.08 | 0.04 |
49.91 | 50.56 | -0.65 |