| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.20 | 2.39 | -0.19 |
| Feb | 1.94 | 2.11 | -0.17 |
| Mar | 2.28 | 2.38 | -0.10 |
| Apr | 3.51 | 3.65 | -0.14 |
| May | 4.33 | 4.18 | 0.15 |
| Jun | 4.31 | 4.30 | 0.01 |
| Jul | 3.91 | 4.14 | -0.23 |
| Aug | 4.16 | 4.17 | -0.01 |
| Sep | 3.39 | 3.42 | -0.03 |
| Oct | 3.52 | 3.73 | -0.21 |
| Nov | 2.65 | 2.80 | -0.15 |
| Dec | 2.18 | 2.29 | -0.11 |
38.38 | 39.56 | -1.18 |