| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.70 | -0.04 |
| Feb | 3.26 | 3.20 | 0.06 |
| Mar | 4.11 | 4.03 | 0.08 |
| Apr | 3.85 | 3.66 | 0.19 |
| May | 3.65 | 3.54 | 0.11 |
| Jun | 4.25 | 4.21 | 0.04 |
| Jul | 3.85 | 3.68 | 0.17 |
| Aug | 4.23 | 4.08 | 0.15 |
| Sep | 3.76 | 3.81 | -0.05 |
| Oct | 3.31 | 3.22 | 0.09 |
| Nov | 3.36 | 3.22 | 0.14 |
| Dec | 3.91 | 3.88 | 0.03 |
45.20 | 44.23 | 0.97 |