| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.64 | -0.22 |
| Feb | 2.89 | 3.15 | -0.26 |
| Mar | 3.72 | 3.96 | -0.24 |
| Apr | 3.40 | 3.70 | -0.30 |
| May | 3.78 | 3.80 | -0.02 |
| Jun | 4.40 | 4.36 | 0.04 |
| Jul | 5.44 | 5.50 | -0.06 |
| Aug | 5.29 | 5.38 | -0.09 |
| Sep | 5.01 | 4.93 | 0.08 |
| Oct | 3.88 | 4.18 | -0.30 |
| Nov | 3.01 | 3.50 | -0.49 |
| Dec | 3.29 | 3.67 | -0.38 |
47.53 | 49.77 | -2.24 |