| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.65 | -0.16 |
| Feb | 3.38 | 3.44 | -0.06 |
| Mar | 4.55 | 4.50 | 0.05 |
| Apr | 5.17 | 5.17 | 0.00 |
| May | 5.29 | 5.34 | -0.05 |
| Jun | 4.71 | 4.78 | -0.07 |
| Jul | 4.20 | 4.09 | 0.11 |
| Aug | 3.76 | 3.26 | 0.50 |
| Sep | 3.78 | 3.82 | -0.04 |
| Oct | 3.64 | 3.61 | 0.03 |
| Nov | 3.68 | 3.78 | -0.10 |
| Dec | 4.17 | 4.35 | -0.18 |
49.82 | 49.79 | 0.03 |