| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.36 | 0.01 |
| Feb | 0.60 | 0.60 | 0.00 |
| Mar | 1.02 | 1.14 | -0.12 |
| Apr | 2.28 | 2.43 | -0.15 |
| May | 3.32 | 3.50 | -0.18 |
| Jun | 3.72 | 3.73 | -0.01 |
| Jul | 3.11 | 3.27 | -0.16 |
| Aug | 2.35 | 2.37 | -0.02 |
| Sep | 1.88 | 1.81 | 0.07 |
| Oct | 1.56 | 1.69 | -0.13 |
| Nov | 0.56 | 0.55 | 0.01 |
| Dec | 0.40 | 0.46 | -0.06 |
21.17 | 21.91 | -0.74 |