| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.55 | -0.09 |
| Feb | 3.28 | 3.32 | -0.04 |
| Mar | 4.52 | 4.55 | -0.03 |
| Apr | 5.36 | 5.35 | 0.01 |
| May | 5.24 | 5.47 | -0.23 |
| Jun | 4.49 | 4.56 | -0.07 |
| Jul | 4.11 | 4.12 | -0.01 |
| Aug | 3.13 | 3.08 | 0.05 |
| Sep | 3.29 | 3.37 | -0.08 |
| Oct | 3.74 | 3.70 | 0.04 |
| Nov | 4.40 | 4.48 | -0.08 |
| Dec | 3.74 | 3.94 | -0.20 |
48.76 | 49.49 | -0.73 |