| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.94 | 2.10 | -0.16 |
| Feb | 1.77 | 1.80 | -0.03 |
| Mar | 1.50 | 1.51 | -0.01 |
| Apr | 1.34 | 1.25 | 0.09 |
| May | 1.19 | 1.35 | -0.16 |
| Jun | 0.68 | 0.82 | -0.14 |
| Jul | 1.77 | 2.15 | -0.38 |
| Aug | 2.36 | 2.62 | -0.26 |
| Sep | 2.16 | 2.30 | -0.14 |
| Oct | 1.81 | 1.81 | 0.00 |
| Nov | 1.57 | 1.71 | -0.14 |
| Dec | 1.82 | 1.82 | 0.00 |
19.91 | 21.24 | -1.33 |