| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.51 | -0.05 |
| Feb | 3.28 | 3.30 | -0.02 |
| Mar | 4.52 | 4.53 | -0.01 |
| Apr | 5.36 | 5.35 | 0.01 |
| May | 5.24 | 5.42 | -0.18 |
| Jun | 4.49 | 4.57 | -0.08 |
| Jul | 4.11 | 4.12 | -0.01 |
| Aug | 3.13 | 3.11 | 0.02 |
| Sep | 3.29 | 3.35 | -0.06 |
| Oct | 3.74 | 3.68 | 0.06 |
| Nov | 4.40 | 4.45 | -0.05 |
| Dec | 3.74 | 3.90 | -0.16 |
48.76 | 49.29 | -0.53 |