| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.36 | 4.46 | -0.10 |
| Feb | 4.44 | 4.34 | 0.10 |
| Mar | 4.68 | 4.80 | -0.12 |
| Apr | 3.97 | 3.91 | 0.06 |
| May | 2.96 | 2.95 | 0.01 |
| Jun | 4.20 | 4.35 | -0.15 |
| Jul | 5.21 | 5.25 | -0.04 |
| Aug | 4.33 | 4.34 | -0.01 |
| Sep | 3.78 | 3.88 | -0.10 |
| Oct | 2.80 | 2.79 | 0.01 |
| Nov | 3.39 | 3.49 | -0.10 |
| Dec | 5.14 | 4.76 | 0.38 |
49.26 | 49.32 | -0.06 |