| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.80 | -0.15 |
| Feb | 0.85 | 1.04 | -0.19 |
| Mar | 1.74 | 1.97 | -0.23 |
| Apr | 2.56 | 2.91 | -0.35 |
| May | 2.76 | 3.25 | -0.49 |
| Jun | 1.86 | 2.05 | -0.19 |
| Jul | 1.77 | 1.75 | 0.02 |
| Aug | 1.67 | 1.77 | -0.10 |
| Sep | 1.53 | 2.14 | -0.61 |
| Oct | 1.36 | 1.61 | -0.25 |
| Nov | 1.00 | 1.12 | -0.12 |
| Dec | 0.65 | 0.82 | -0.17 |
18.40 | 21.23 | -2.83 |