| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.13 | 1.30 | -0.17 |
| Feb | 0.99 | 1.08 | -0.09 |
| Mar | 1.55 | 1.61 | -0.06 |
| Apr | 2.59 | 2.78 | -0.19 |
| May | 3.36 | 3.48 | -0.12 |
| Jun | 3.71 | 3.82 | -0.11 |
| Jul | 3.93 | 4.07 | -0.14 |
| Aug | 3.38 | 3.43 | -0.05 |
| Sep | 3.16 | 3.13 | 0.03 |
| Oct | 3.13 | 3.02 | 0.11 |
| Nov | 2.03 | 1.80 | 0.23 |
| Dec | 1.50 | 1.65 | -0.15 |
30.46 | 31.17 | -0.71 |