| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.86 | 1.91 | -0.05 |
| Feb | 1.77 | 1.89 | -0.12 |
| Mar | 2.24 | 2.28 | -0.04 |
| Apr | 3.78 | 3.70 | 0.08 |
| May | 4.35 | 4.51 | -0.16 |
| Jun | 4.56 | 4.33 | 0.23 |
| Jul | 3.83 | 3.70 | 0.13 |
| Aug | 3.85 | 3.82 | 0.03 |
| Sep | 3.36 | 3.35 | 0.01 |
| Oct | 3.18 | 3.22 | -0.04 |
| Nov | 2.46 | 2.36 | 0.10 |
| Dec | 2.06 | 2.07 | -0.01 |
37.30 | 37.14 | 0.16 |