| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.07 | -0.14 |
| Feb | 2.19 | 2.45 | -0.26 |
| Mar | 2.65 | 2.86 | -0.21 |
| Apr | 3.35 | 3.43 | -0.08 |
| May | 3.27 | 3.20 | 0.07 |
| Jun | 3.35 | 3.45 | -0.10 |
| Jul | 3.48 | 3.26 | 0.22 |
| Aug | 3.24 | 3.20 | 0.04 |
| Sep | 3.88 | 3.78 | 0.10 |
| Oct | 3.76 | 3.96 | -0.20 |
| Nov | 3.26 | 3.36 | -0.10 |
| Dec | 3.32 | 3.50 | -0.18 |
38.68 | 39.52 | -0.84 |