| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.23 | -0.06 |
| Feb | 1.05 | 1.09 | -0.04 |
| Mar | 1.84 | 1.80 | 0.04 |
| Apr | 3.22 | 3.25 | -0.03 |
| May | 3.83 | 3.95 | -0.12 |
| Jun | 4.61 | 4.66 | -0.05 |
| Jul | 3.65 | 3.75 | -0.10 |
| Aug | 3.79 | 3.81 | -0.02 |
| Sep | 3.50 | 3.51 | -0.01 |
| Oct | 2.75 | 2.76 | -0.01 |
| Nov | 1.90 | 1.90 | 0.00 |
| Dec | 1.55 | 1.56 | -0.01 |
32.86 | 33.27 | -0.41 |