| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.33 | 0.33 | 0.00 |
| Feb | 0.53 | 0.50 | 0.03 |
| Mar | 1.01 | 0.95 | 0.06 |
| Apr | 2.06 | 2.07 | -0.01 |
| May | 3.70 | 3.66 | 0.04 |
| Jun | 3.19 | 3.05 | 0.14 |
| Jul | 2.49 | 2.28 | 0.21 |
| Aug | 1.62 | 1.88 | -0.26 |
| Sep | 1.33 | 1.33 | 0.00 |
| Oct | 1.37 | 1.49 | -0.12 |
| Nov | 0.49 | 0.49 | 0.00 |
| Dec | 0.39 | 0.39 | 0.00 |
18.51 | 18.42 | 0.09 |