| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.11 | 2.17 | -0.06 |
| Feb | 1.88 | 1.98 | -0.10 |
| Mar | 2.53 | 2.64 | -0.11 |
| Apr | 3.81 | 3.86 | -0.05 |
| May | 4.56 | 4.81 | -0.25 |
| Jun | 4.10 | 4.19 | -0.09 |
| Jul | 4.18 | 3.73 | 0.45 |
| Aug | 3.65 | 3.42 | 0.23 |
| Sep | 3.30 | 3.33 | -0.03 |
| Oct | 3.11 | 3.13 | -0.02 |
| Nov | 2.73 | 2.72 | 0.01 |
| Dec | 2.17 | 2.27 | -0.10 |
38.13 | 38.25 | -0.12 |