| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.65 | -0.15 |
| Feb | 2.89 | 2.89 | 0.00 |
| Mar | 4.02 | 3.93 | 0.09 |
| Apr | 3.41 | 3.64 | -0.23 |
| May | 3.79 | 3.96 | -0.17 |
| Jun | 4.39 | 4.61 | -0.22 |
| Jul | 5.50 | 5.26 | 0.24 |
| Aug | 5.17 | 5.60 | -0.43 |
| Sep | 5.28 | 5.38 | -0.10 |
| Oct | 3.98 | 4.37 | -0.39 |
| Nov | 3.30 | 3.47 | -0.17 |
| Dec | 3.37 | 3.60 | -0.23 |
48.60 | 50.36 | -1.76 |