| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.65 | 2.05 | -0.40 |
| Feb | 1.41 | 1.59 | -0.18 |
| Mar | 1.99 | 1.85 | 0.14 |
| Apr | 2.00 | 1.96 | 0.04 |
| May | 2.20 | 2.34 | -0.14 |
| Jun | 1.21 | 1.27 | -0.06 |
| Jul | 0.45 | 0.35 | 0.10 |
| Aug | 0.63 | 0.68 | -0.05 |
| Sep | 1.13 | 1.28 | -0.15 |
| Oct | 1.64 | 1.78 | -0.14 |
| Nov | 1.27 | 1.34 | -0.07 |
| Dec | 1.62 | 1.73 | -0.11 |
17.20 | 18.22 | -1.02 |