| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.60 | 0.02 |
| Feb | 0.73 | 0.82 | -0.09 |
| Mar | 1.55 | 1.53 | 0.02 |
| Apr | 2.26 | 2.44 | -0.18 |
| May | 2.55 | 2.51 | 0.04 |
| Jun | 1.77 | 1.68 | 0.09 |
| Jul | 1.95 | 1.75 | 0.20 |
| Aug | 1.80 | 1.64 | 0.16 |
| Sep | 1.34 | 1.34 | 0.00 |
| Oct | 1.11 | 1.26 | -0.15 |
| Nov | 0.90 | 0.97 | -0.07 |
| Dec | 0.59 | 0.68 | -0.09 |
17.17 | 17.22 | -0.05 |