| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.56 | 0.05 |
| Feb | 0.80 | 0.65 | 0.15 |
| Mar | 1.43 | 1.33 | 0.10 |
| Apr | 2.28 | 2.18 | 0.10 |
| May | 2.67 | 2.50 | 0.17 |
| Jun | 1.78 | 1.69 | 0.09 |
| Jul | 1.89 | 1.72 | 0.17 |
| Aug | 1.60 | 1.61 | -0.01 |
| Sep | 1.34 | 1.22 | 0.12 |
| Oct | 1.16 | 1.14 | 0.02 |
| Nov | 0.95 | 0.83 | 0.12 |
| Dec | 0.55 | 0.53 | 0.02 |
17.06 | 15.96 | 1.10 |