| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.71 | -0.09 |
| Feb | 3.67 | 3.82 | -0.15 |
| Mar | 3.99 | 4.04 | -0.05 |
| Apr | 3.99 | 4.00 | -0.01 |
| May | 4.26 | 4.07 | 0.19 |
| Jun | 4.11 | 3.96 | 0.15 |
| Jul | 4.89 | 5.17 | -0.28 |
| Aug | 3.98 | 4.11 | -0.13 |
| Sep | 3.00 | 3.04 | -0.04 |
| Oct | 2.85 | 2.59 | 0.26 |
| Nov | 3.11 | 2.96 | 0.15 |
| Dec | 3.82 | 4.11 | -0.29 |
45.29 | 45.58 | -0.29 |