| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.23 | 5.25 | -0.02 |
| Feb | 5.46 | 5.38 | 0.08 |
| Mar | 5.57 | 5.52 | 0.05 |
| Apr | 4.82 | 5.05 | -0.23 |
| May | 4.23 | 4.55 | -0.32 |
| Jun | 4.60 | 4.69 | -0.09 |
| Jul | 4.42 | 4.45 | -0.03 |
| Aug | 3.86 | 4.17 | -0.31 |
| Sep | 3.91 | 3.92 | -0.01 |
| Oct | 3.49 | 3.46 | 0.03 |
| Nov | 4.18 | 4.43 | -0.25 |
| Dec | 5.33 | 5.33 | 0.00 |
55.10 | 56.20 | -1.10 |