| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.31 | -0.11 |
| Feb | 2.40 | 2.30 | 0.10 |
| Mar | 2.35 | 2.23 | 0.12 |
| Apr | 1.97 | 1.91 | 0.06 |
| May | 1.58 | 1.51 | 0.07 |
| Jun | 0.87 | 0.83 | 0.04 |
| Jul | 0.38 | 0.35 | 0.03 |
| Aug | 0.36 | 0.39 | -0.03 |
| Sep | 0.51 | 0.50 | 0.01 |
| Oct | 1.51 | 1.50 | 0.01 |
| Nov | 2.87 | 2.88 | -0.01 |
| Dec | 4.16 | 4.22 | -0.06 |
22.16 | 21.93 | 0.23 |