| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.41 | -0.12 |
| Feb | 2.69 | 2.76 | -0.07 |
| Mar | 3.88 | 4.05 | -0.17 |
| Apr | 3.79 | 3.92 | -0.13 |
| May | 3.88 | 4.20 | -0.32 |
| Jun | 4.45 | 4.48 | -0.03 |
| Jul | 4.95 | 5.32 | -0.37 |
| Aug | 4.33 | 4.72 | -0.39 |
| Sep | 4.80 | 4.92 | -0.12 |
| Oct | 4.18 | 4.39 | -0.21 |
| Nov | 3.26 | 3.28 | -0.02 |
| Dec | 3.93 | 4.15 | -0.22 |
47.43 | 49.60 | -2.17 |