| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.46 | 5.44 | 0.02 |
| Feb | 5.15 | 5.40 | -0.25 |
| Mar | 5.50 | 5.43 | 0.07 |
| Apr | 5.24 | 5.20 | 0.04 |
| May | 4.41 | 4.69 | -0.28 |
| Jun | 4.55 | 4.96 | -0.41 |
| Jul | 4.60 | 4.73 | -0.13 |
| Aug | 3.89 | 3.97 | -0.08 |
| Sep | 3.84 | 4.26 | -0.42 |
| Oct | 3.66 | 3.80 | -0.14 |
| Nov | 4.54 | 4.56 | -0.02 |
| Dec | 5.65 | 5.86 | -0.21 |
56.49 | 58.30 | -1.81 |