| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.37 | 4.33 | 0.04 |
| Feb | 4.56 | 4.62 | -0.06 |
| Mar | 5.03 | 5.11 | -0.08 |
| Apr | 4.90 | 5.03 | -0.13 |
| May | 4.62 | 4.96 | -0.34 |
| Jun | 4.77 | 4.72 | 0.05 |
| Jul | 5.11 | 5.30 | -0.19 |
| Aug | 4.07 | 4.41 | -0.34 |
| Sep | 3.42 | 3.62 | -0.20 |
| Oct | 3.20 | 3.04 | 0.16 |
| Nov | 3.68 | 3.59 | 0.09 |
| Dec | 5.28 | 5.15 | 0.13 |
53.01 | 53.88 | -0.87 |