| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.97 | 4.08 | -0.11 |
| Feb | 3.55 | 3.53 | 0.02 |
| Mar | 4.80 | 4.86 | -0.06 |
| Apr | 4.38 | 4.62 | -0.24 |
| May | 3.47 | 3.49 | -0.02 |
| Jun | 4.05 | 4.20 | -0.15 |
| Jul | 3.40 | 3.47 | -0.07 |
| Aug | 3.82 | 3.87 | -0.05 |
| Sep | 4.05 | 4.06 | -0.01 |
| Oct | 4.74 | 4.87 | -0.13 |
| Nov | 4.18 | 4.19 | -0.01 |
| Dec | 4.78 | 4.99 | -0.21 |
49.19 | 50.23 | -1.04 |