| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.06 | 1.14 | -0.08 |
| Feb | 1.26 | 1.30 | -0.04 |
| Mar | 1.98 | 2.05 | -0.07 |
| Apr | 3.84 | 3.74 | 0.10 |
| May | 4.51 | 4.66 | -0.15 |
| Jun | 5.59 | 5.66 | -0.07 |
| Jul | 4.31 | 4.41 | -0.10 |
| Aug | 4.35 | 4.24 | 0.11 |
| Sep | 3.61 | 3.65 | -0.04 |
| Oct | 2.88 | 2.95 | -0.07 |
| Nov | 2.06 | 2.12 | -0.06 |
| Dec | 1.55 | 1.60 | -0.05 |
37.00 | 37.52 | -0.52 |