| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.49 | -0.12 |
| Feb | 3.22 | 3.38 | -0.16 |
| Mar | 3.48 | 3.54 | -0.06 |
| Apr | 3.26 | 3.20 | 0.06 |
| May | 3.38 | 3.63 | -0.25 |
| Jun | 5.61 | 5.68 | -0.07 |
| Jul | 5.71 | 6.11 | -0.40 |
| Aug | 6.19 | 6.34 | -0.15 |
| Sep | 4.95 | 5.33 | -0.38 |
| Oct | 4.16 | 4.17 | -0.01 |
| Nov | 2.91 | 2.85 | 0.06 |
| Dec | 3.40 | 3.60 | -0.20 |
49.64 | 51.32 | -1.68 |