| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.40 | 5.35 | 0.05 |
| Feb | 5.35 | 5.02 | 0.33 |
| Mar | 5.56 | 5.34 | 0.22 |
| Apr | 5.25 | 5.12 | 0.13 |
| May | 4.58 | 4.44 | 0.14 |
| Jun | 4.58 | 4.64 | -0.06 |
| Jul | 5.12 | 4.54 | 0.58 |
| Aug | 3.94 | 3.86 | 0.08 |
| Sep | 3.75 | 3.94 | -0.19 |
| Oct | 3.67 | 3.48 | 0.19 |
| Nov | 4.61 | 4.60 | 0.01 |
| Dec | 6.01 | 5.89 | 0.12 |
57.82 | 56.22 | 1.60 |