| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 3.26 | -0.27 |
| Feb | 2.45 | 2.81 | -0.36 |
| Mar | 3.23 | 3.44 | -0.21 |
| Apr | 3.42 | 3.54 | -0.12 |
| May | 3.53 | 3.66 | -0.13 |
| Jun | 4.20 | 3.99 | 0.21 |
| Jul | 4.05 | 4.30 | -0.25 |
| Aug | 4.33 | 4.45 | -0.12 |
| Sep | 4.16 | 3.95 | 0.21 |
| Oct | 4.30 | 4.35 | -0.05 |
| Nov | 3.29 | 3.34 | -0.05 |
| Dec | 3.59 | 3.90 | -0.31 |
43.54 | 44.99 | -1.45 |