| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.80 | 4.11 | -0.31 |
| Feb | 3.39 | 3.58 | -0.19 |
| Mar | 4.82 | 5.29 | -0.47 |
| Apr | 4.29 | 4.64 | -0.35 |
| May | 3.43 | 3.45 | -0.02 |
| Jun | 3.67 | 3.81 | -0.14 |
| Jul | 3.15 | 3.23 | -0.08 |
| Aug | 3.68 | 3.81 | -0.13 |
| Sep | 3.90 | 3.90 | 0.00 |
| Oct | 4.50 | 4.64 | -0.14 |
| Nov | 4.02 | 4.19 | -0.17 |
| Dec | 4.66 | 5.02 | -0.36 |
47.31 | 49.67 | -2.36 |