| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.68 | 1.86 | -0.18 |
| Feb | 1.62 | 1.82 | -0.20 |
| Mar | 2.17 | 2.34 | -0.17 |
| Apr | 3.70 | 3.92 | -0.22 |
| May | 3.84 | 4.00 | -0.16 |
| Jun | 4.12 | 4.11 | 0.01 |
| Jul | 3.26 | 3.10 | 0.16 |
| Aug | 3.55 | 3.56 | -0.01 |
| Sep | 3.26 | 3.25 | 0.01 |
| Oct | 3.03 | 3.10 | -0.07 |
| Nov | 2.28 | 2.46 | -0.18 |
| Dec | 1.90 | 2.05 | -0.15 |
34.41 | 35.57 | -1.16 |