| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.24 | 1.25 | -0.01 |
| Feb | 1.09 | 1.07 | 0.02 |
| Mar | 1.80 | 1.68 | 0.12 |
| Apr | 3.14 | 3.15 | -0.01 |
| May | 3.58 | 3.49 | 0.09 |
| Jun | 4.44 | 4.46 | -0.02 |
| Jul | 3.78 | 3.70 | 0.08 |
| Aug | 3.51 | 3.54 | -0.03 |
| Sep | 3.08 | 3.00 | 0.08 |
| Oct | 2.78 | 2.81 | -0.03 |
| Nov | 1.97 | 1.80 | 0.17 |
| Dec | 1.42 | 1.34 | 0.08 |
31.83 | 31.29 | 0.54 |