| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.55 | -0.07 |
| Feb | 2.70 | 2.80 | -0.10 |
| Mar | 4.12 | 4.19 | -0.07 |
| Apr | 3.71 | 3.68 | 0.03 |
| May | 3.98 | 4.04 | -0.06 |
| Jun | 4.39 | 4.45 | -0.06 |
| Jul | 5.08 | 4.87 | 0.21 |
| Aug | 4.26 | 4.42 | -0.16 |
| Sep | 4.21 | 4.16 | 0.05 |
| Oct | 4.20 | 4.12 | 0.08 |
| Nov | 3.34 | 3.32 | 0.02 |
| Dec | 4.26 | 4.38 | -0.12 |
47.73 | 47.98 | -0.25 |