| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.99 | 4.28 | -0.29 |
| Feb | 3.41 | 4.26 | -0.85 |
| Mar | 2.91 | 3.05 | -0.14 |
| Apr | 1.30 | 1.32 | -0.02 |
| May | 0.52 | 0.54 | -0.02 |
| Jun | 0.10 | 0.12 | -0.02 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.05 | 0.02 | 0.03 |
| Sep | 0.05 | 0.04 | 0.01 |
| Oct | 0.85 | 1.01 | -0.16 |
| Nov | 1.71 | 1.75 | -0.04 |
| Dec | 3.55 | 4.11 | -0.56 |
18.45 | 20.50 | -2.05 |