| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.14 | 0.03 |
| Feb | 1.12 | 1.11 | 0.01 |
| Mar | 1.90 | 1.94 | -0.04 |
| Apr | 3.84 | 3.85 | -0.01 |
| May | 4.85 | 4.71 | 0.14 |
| Jun | 5.35 | 5.35 | 0.00 |
| Jul | 4.47 | 4.24 | 0.23 |
| Aug | 4.31 | 4.25 | 0.06 |
| Sep | 3.90 | 3.84 | 0.06 |
| Oct | 2.80 | 2.80 | 0.00 |
| Nov | 1.92 | 1.89 | 0.03 |
| Dec | 1.45 | 1.40 | 0.05 |
37.08 | 36.52 | 0.56 |