| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.58 | 0.04 |
| Feb | 0.73 | 0.80 | -0.07 |
| Mar | 1.55 | 1.49 | 0.06 |
| Apr | 2.26 | 2.38 | -0.12 |
| May | 2.55 | 2.48 | 0.07 |
| Jun | 1.77 | 1.67 | 0.10 |
| Jul | 1.95 | 1.70 | 0.25 |
| Aug | 1.80 | 1.61 | 0.19 |
| Sep | 1.34 | 1.33 | 0.01 |
| Oct | 1.11 | 1.23 | -0.12 |
| Nov | 0.90 | 0.94 | -0.04 |
| Dec | 0.59 | 0.66 | -0.07 |
17.17 | 16.87 | 0.30 |