| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 0.92 | -0.08 |
| Feb | 0.82 | 0.85 | -0.03 |
| Mar | 1.60 | 1.64 | -0.04 |
| Apr | 2.91 | 3.02 | -0.11 |
| May | 4.18 | 4.22 | -0.04 |
| Jun | 5.06 | 5.02 | 0.04 |
| Jul | 4.13 | 4.25 | -0.12 |
| Aug | 4.36 | 4.52 | -0.16 |
| Sep | 3.35 | 3.35 | 0.00 |
| Oct | 2.78 | 2.91 | -0.13 |
| Nov | 1.69 | 1.70 | -0.01 |
| Dec | 1.16 | 1.25 | -0.09 |
32.88 | 33.65 | -0.77 |