| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 2.61 | 0.45 |
| Feb | 2.97 | 2.99 | -0.02 |
| Mar | 4.25 | 4.29 | -0.04 |
| Apr | 5.21 | 5.20 | 0.01 |
| May | 5.73 | 5.50 | 0.23 |
| Jun | 3.89 | 3.92 | -0.03 |
| Jul | 4.05 | 4.23 | -0.18 |
| Aug | 3.82 | 3.72 | 0.10 |
| Sep | 3.63 | 3.86 | -0.23 |
| Oct | 3.49 | 3.42 | 0.07 |
| Nov | 4.42 | 4.17 | 0.25 |
| Dec | 3.17 | 3.28 | -0.11 |
47.69 | 47.19 | 0.50 |