| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 3.78 | 0.07 |
| Feb | 3.49 | 3.49 | 0.00 |
| Mar | 3.94 | 3.90 | 0.04 |
| Apr | 3.40 | 3.36 | 0.04 |
| May | 4.24 | 4.35 | -0.11 |
| Jun | 5.55 | 5.54 | 0.01 |
| Jul | 6.42 | 7.00 | -0.58 |
| Aug | 7.28 | 7.54 | -0.26 |
| Sep | 7.96 | 9.19 | -1.23 |
| Oct | 4.52 | 4.69 | -0.17 |
| Nov | 3.66 | 3.52 | 0.14 |
| Dec | 3.65 | 3.76 | -0.11 |
57.96 | 60.12 | -2.16 |