| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.20 | 2.40 | -0.20 |
| Feb | 1.94 | 2.12 | -0.18 |
| Mar | 2.28 | 2.37 | -0.09 |
| Apr | 3.51 | 3.66 | -0.15 |
| May | 4.33 | 4.19 | 0.14 |
| Jun | 4.31 | 4.29 | 0.02 |
| Jul | 3.91 | 4.12 | -0.21 |
| Aug | 4.16 | 4.14 | 0.02 |
| Sep | 3.39 | 3.43 | -0.04 |
| Oct | 3.52 | 3.75 | -0.23 |
| Nov | 2.65 | 2.80 | -0.15 |
| Dec | 2.18 | 2.30 | -0.12 |
38.38 | 39.57 | -1.19 |