| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 2.86 | 0.13 |
| Feb | 2.45 | 2.34 | 0.11 |
| Mar | 3.12 | 2.96 | 0.16 |
| Apr | 3.46 | 3.37 | 0.09 |
| May | 4.45 | 4.50 | -0.05 |
| Jun | 4.21 | 4.19 | 0.02 |
| Jul | 2.15 | 2.13 | 0.02 |
| Aug | 3.12 | 2.74 | 0.38 |
| Sep | 3.65 | 3.50 | 0.15 |
| Oct | 4.52 | 4.39 | 0.13 |
| Nov | 3.25 | 3.26 | -0.01 |
| Dec | 2.96 | 2.97 | -0.01 |
40.33 | 39.21 | 1.12 |