| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 1.20 | -0.11 |
| Feb | 1.41 | 1.56 | -0.15 |
| Mar | 2.33 | 2.40 | -0.07 |
| Apr | 3.93 | 4.06 | -0.13 |
| May | 5.24 | 5.30 | -0.06 |
| Jun | 5.16 | 5.26 | -0.10 |
| Jul | 4.56 | 4.65 | -0.09 |
| Aug | 4.37 | 4.31 | 0.06 |
| Sep | 3.75 | 4.21 | -0.46 |
| Oct | 3.24 | 3.41 | -0.17 |
| Nov | 2.00 | 2.13 | -0.13 |
| Dec | 1.57 | 1.68 | -0.11 |
38.65 | 40.17 | -1.52 |