| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.06 | 4.29 | -0.23 |
| Feb | 3.49 | 3.64 | -0.15 |
| Mar | 4.66 | 4.98 | -0.32 |
| Apr | 4.54 | 4.71 | -0.17 |
| May | 3.65 | 3.66 | -0.01 |
| Jun | 4.32 | 4.45 | -0.13 |
| Jul | 3.76 | 3.71 | 0.05 |
| Aug | 4.13 | 4.40 | -0.27 |
| Sep | 4.21 | 4.23 | -0.02 |
| Oct | 5.05 | 5.02 | 0.03 |
| Nov | 4.26 | 4.30 | -0.04 |
| Dec | 4.85 | 5.17 | -0.32 |
50.98 | 52.56 | -1.58 |