| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 4.24 | -0.24 |
| Feb | 3.57 | 3.68 | -0.11 |
| Mar | 5.00 | 5.06 | -0.06 |
| Apr | 4.28 | 4.38 | -0.10 |
| May | 3.47 | 3.51 | -0.04 |
| Jun | 3.50 | 3.60 | -0.10 |
| Jul | 2.82 | 2.88 | -0.06 |
| Aug | 3.55 | 3.74 | -0.19 |
| Sep | 4.11 | 4.13 | -0.02 |
| Oct | 4.89 | 4.70 | 0.19 |
| Nov | 4.32 | 4.20 | 0.12 |
| Dec | 4.83 | 5.14 | -0.31 |
48.34 | 49.26 | -0.92 |