| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.30 | 2.39 | -0.09 |
| Feb | 1.99 | 2.19 | -0.20 |
| Mar | 2.80 | 2.96 | -0.16 |
| Apr | 3.25 | 3.43 | -0.18 |
| May | 3.26 | 3.42 | -0.16 |
| Jun | 4.16 | 4.38 | -0.22 |
| Jul | 3.91 | 4.10 | -0.19 |
| Aug | 3.69 | 3.94 | -0.25 |
| Sep | 3.90 | 4.06 | -0.16 |
| Oct | 3.66 | 3.90 | -0.24 |
| Nov | 2.85 | 3.14 | -0.29 |
| Dec | 2.71 | 2.86 | -0.15 |
38.48 | 40.77 | -2.29 |