| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.34 | 0.35 | -0.01 |
| Feb | 0.45 | 0.53 | -0.08 |
| Mar | 0.87 | 0.99 | -0.12 |
| Apr | 1.92 | 1.88 | 0.04 |
| May | 2.98 | 2.97 | 0.01 |
| Jun | 3.09 | 3.19 | -0.10 |
| Jul | 3.07 | 2.85 | 0.22 |
| Aug | 2.33 | 2.36 | -0.03 |
| Sep | 1.30 | 1.27 | 0.03 |
| Oct | 1.41 | 1.52 | -0.11 |
| Nov | 0.49 | 0.55 | -0.06 |
| Dec | 0.37 | 0.37 | 0.00 |
18.62 | 18.83 | -0.21 |