| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.09 | 2.24 | -0.15 |
| Feb | 1.83 | 1.92 | -0.09 |
| Mar | 2.58 | 2.61 | -0.03 |
| Apr | 3.71 | 3.68 | 0.03 |
| May | 4.54 | 4.52 | 0.02 |
| Jun | 4.06 | 4.04 | 0.02 |
| Jul | 4.02 | 3.90 | 0.12 |
| Aug | 3.58 | 3.54 | 0.04 |
| Sep | 3.14 | 3.26 | -0.12 |
| Oct | 3.23 | 3.25 | -0.02 |
| Nov | 2.75 | 2.70 | 0.05 |
| Dec | 2.19 | 2.22 | -0.03 |
37.72 | 37.88 | -0.16 |