| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.41 | 1.50 | -0.09 |
| Feb | 1.44 | 1.56 | -0.12 |
| Mar | 2.14 | 2.17 | -0.03 |
| Apr | 3.70 | 3.89 | -0.19 |
| May | 4.19 | 4.41 | -0.22 |
| Jun | 5.44 | 5.45 | -0.01 |
| Jul | 4.53 | 4.48 | 0.05 |
| Aug | 4.14 | 4.20 | -0.06 |
| Sep | 3.60 | 3.51 | 0.09 |
| Oct | 2.85 | 2.89 | -0.04 |
| Nov | 2.22 | 2.25 | -0.03 |
| Dec | 1.62 | 1.75 | -0.13 |
37.28 | 38.06 | -0.78 |