| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.82 | 0.01 |
| Feb | 0.78 | 0.88 | -0.10 |
| Mar | 1.47 | 1.73 | -0.26 |
| Apr | 2.00 | 2.27 | -0.27 |
| May | 1.99 | 2.16 | -0.17 |
| Jun | 1.39 | 1.39 | 0.00 |
| Jul | 2.88 | 2.85 | 0.03 |
| Aug | 2.65 | 2.59 | 0.06 |
| Sep | 1.26 | 1.18 | 0.08 |
| Oct | 1.23 | 1.30 | -0.07 |
| Nov | 0.95 | 0.98 | -0.03 |
| Dec | 0.83 | 0.91 | -0.08 |
18.26 | 19.06 | -0.80 |