| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.61 | -0.10 |
| Feb | 2.88 | 3.06 | -0.18 |
| Mar | 3.23 | 3.56 | -0.33 |
| Apr | 3.76 | 4.26 | -0.50 |
| May | 4.35 | 4.33 | 0.02 |
| Jun | 4.89 | 5.14 | -0.25 |
| Jul | 4.88 | 4.80 | 0.08 |
| Aug | 4.64 | 4.56 | 0.08 |
| Sep | 4.25 | 4.17 | 0.08 |
| Oct | 4.55 | 4.89 | -0.34 |
| Nov | 3.61 | 3.92 | -0.31 |
| Dec | 3.96 | 4.13 | -0.17 |
48.51 | 50.43 | -1.92 |