| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.52 | 0.00 |
| Feb | 2.78 | 2.89 | -0.11 |
| Mar | 3.97 | 4.02 | -0.05 |
| Apr | 3.88 | 3.88 | 0.00 |
| May | 3.99 | 4.17 | -0.18 |
| Jun | 4.38 | 4.47 | -0.09 |
| Jul | 5.10 | 5.34 | -0.24 |
| Aug | 4.64 | 4.61 | 0.03 |
| Sep | 4.75 | 4.99 | -0.24 |
| Oct | 4.30 | 4.59 | -0.29 |
| Nov | 3.43 | 3.51 | -0.08 |
| Dec | 4.16 | 4.36 | -0.20 |
48.90 | 50.35 | -1.45 |