| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.34 | 0.31 | 0.03 |
| Feb | 0.53 | 0.52 | 0.01 |
| Mar | 0.95 | 0.97 | -0.02 |
| Apr | 2.16 | 2.14 | 0.02 |
| May | 3.18 | 3.33 | -0.15 |
| Jun | 3.56 | 3.68 | -0.12 |
| Jul | 2.99 | 3.04 | -0.05 |
| Aug | 2.29 | 2.33 | -0.04 |
| Sep | 1.66 | 1.58 | 0.08 |
| Oct | 1.61 | 1.73 | -0.12 |
| Nov | 0.50 | 0.50 | 0.00 |
| Dec | 0.37 | 0.37 | 0.00 |
20.14 | 20.50 | -0.36 |