| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.49 | -0.12 |
| Feb | 3.44 | 3.51 | -0.07 |
| Mar | 4.50 | 4.60 | -0.10 |
| Apr | 5.34 | 5.44 | -0.10 |
| May | 5.36 | 5.85 | -0.49 |
| Jun | 3.93 | 3.81 | 0.12 |
| Jul | 4.15 | 4.37 | -0.22 |
| Aug | 3.25 | 3.22 | 0.03 |
| Sep | 3.22 | 3.20 | 0.02 |
| Oct | 3.70 | 3.79 | -0.09 |
| Nov | 4.42 | 4.55 | -0.13 |
| Dec | 3.86 | 4.04 | -0.18 |
48.54 | 49.87 | -1.33 |