| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.46 | -0.04 |
| Feb | 3.43 | 3.57 | -0.14 |
| Mar | 4.13 | 4.31 | -0.18 |
| Apr | 4.38 | 4.53 | -0.15 |
| May | 3.76 | 3.67 | 0.09 |
| Jun | 4.30 | 4.27 | 0.03 |
| Jul | 3.56 | 3.60 | -0.04 |
| Aug | 3.51 | 3.53 | -0.02 |
| Sep | 3.85 | 3.75 | 0.10 |
| Oct | 5.08 | 5.39 | -0.31 |
| Nov | 4.36 | 4.25 | 0.11 |
| Dec | 4.54 | 4.71 | -0.17 |
48.32 | 49.04 | -0.72 |