| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 3.03 | -0.18 |
| Feb | 2.17 | 2.40 | -0.23 |
| Mar | 2.62 | 2.83 | -0.21 |
| Apr | 3.34 | 3.44 | -0.10 |
| May | 3.26 | 3.18 | 0.08 |
| Jun | 3.33 | 3.43 | -0.10 |
| Jul | 3.43 | 3.27 | 0.16 |
| Aug | 3.20 | 3.14 | 0.06 |
| Sep | 3.79 | 3.77 | 0.02 |
| Oct | 3.69 | 3.88 | -0.19 |
| Nov | 3.19 | 3.28 | -0.09 |
| Dec | 3.23 | 3.40 | -0.17 |
38.10 | 39.05 | -0.95 |