| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.60 | -0.16 |
| Feb | 2.90 | 3.13 | -0.23 |
| Mar | 3.73 | 3.88 | -0.15 |
| Apr | 3.37 | 3.64 | -0.27 |
| May | 3.71 | 3.76 | -0.05 |
| Jun | 4.34 | 4.30 | 0.04 |
| Jul | 5.35 | 5.48 | -0.13 |
| Aug | 5.34 | 5.37 | -0.03 |
| Sep | 4.95 | 5.05 | -0.10 |
| Oct | 3.87 | 4.12 | -0.25 |
| Nov | 2.98 | 3.40 | -0.42 |
| Dec | 3.33 | 3.60 | -0.27 |
47.31 | 49.33 | -2.02 |