| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.75 | -0.03 |
| Feb | 0.87 | 0.91 | -0.04 |
| Mar | 1.84 | 1.86 | -0.02 |
| Apr | 2.52 | 2.74 | -0.22 |
| May | 2.47 | 2.69 | -0.22 |
| Jun | 1.85 | 1.88 | -0.03 |
| Jul | 2.25 | 1.99 | 0.26 |
| Aug | 2.21 | 2.02 | 0.19 |
| Sep | 1.47 | 1.51 | -0.04 |
| Oct | 1.27 | 1.37 | -0.10 |
| Nov | 0.92 | 1.07 | -0.15 |
| Dec | 0.73 | 0.86 | -0.13 |
19.12 | 19.65 | -0.53 |