| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.01 | 2.16 | -0.15 |
| Feb | 1.85 | 2.07 | -0.22 |
| Mar | 2.24 | 2.26 | -0.02 |
| Apr | 3.70 | 3.77 | -0.07 |
| May | 4.45 | 4.63 | -0.18 |
| Jun | 4.40 | 4.41 | -0.01 |
| Jul | 3.75 | 3.68 | 0.07 |
| Aug | 3.71 | 3.78 | -0.07 |
| Sep | 3.35 | 3.32 | 0.03 |
| Oct | 3.37 | 3.67 | -0.30 |
| Nov | 2.50 | 2.65 | -0.15 |
| Dec | 2.13 | 2.30 | -0.17 |
37.46 | 38.70 | -1.24 |