| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.45 | 1.50 | -0.05 |
| Feb | 1.44 | 1.61 | -0.17 |
| Mar | 2.10 | 2.07 | 0.03 |
| Apr | 3.66 | 3.72 | -0.06 |
| May | 4.14 | 4.31 | -0.17 |
| Jun | 5.38 | 5.28 | 0.10 |
| Jul | 4.25 | 4.10 | 0.15 |
| Aug | 4.01 | 4.12 | -0.11 |
| Sep | 3.51 | 3.46 | 0.05 |
| Oct | 2.89 | 2.82 | 0.07 |
| Nov | 2.23 | 2.17 | 0.06 |
| Dec | 1.64 | 1.74 | -0.10 |
36.70 | 36.90 | -0.20 |