| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.22 | -0.07 |
| Feb | 1.49 | 1.61 | -0.12 |
| Mar | 2.31 | 2.48 | -0.17 |
| Apr | 3.90 | 3.99 | -0.09 |
| May | 5.33 | 5.36 | -0.03 |
| Jun | 5.16 | 5.23 | -0.07 |
| Jul | 4.17 | 4.30 | -0.13 |
| Aug | 4.20 | 4.11 | 0.09 |
| Sep | 3.90 | 4.13 | -0.23 |
| Oct | 3.15 | 3.29 | -0.14 |
| Nov | 2.16 | 2.21 | -0.05 |
| Dec | 1.62 | 1.70 | -0.08 |
38.54 | 39.63 | -1.09 |