| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.88 | 2.99 | -0.11 |
| Feb | 2.51 | 2.45 | 0.06 |
| Mar | 3.70 | 3.66 | 0.04 |
| Apr | 3.45 | 3.54 | -0.09 |
| May | 4.36 | 4.36 | 0.00 |
| Jun | 3.97 | 4.17 | -0.20 |
| Jul | 4.04 | 3.96 | 0.08 |
| Aug | 3.22 | 3.37 | -0.15 |
| Sep | 4.17 | 4.50 | -0.33 |
| Oct | 3.47 | 3.69 | -0.22 |
| Nov | 2.97 | 3.07 | -0.10 |
| Dec | 3.37 | 3.55 | -0.18 |
42.11 | 43.31 | -1.20 |