| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.21 | 4.95 | 0.26 |
| Feb | 5.15 | 5.02 | 0.13 |
| Mar | 5.54 | 5.46 | 0.08 |
| Apr | 5.17 | 5.04 | 0.13 |
| May | 4.89 | 4.75 | 0.14 |
| Jun | 4.96 | 5.11 | -0.15 |
| Jul | 4.78 | 4.88 | -0.10 |
| Aug | 4.10 | 3.98 | 0.12 |
| Sep | 4.29 | 3.97 | 0.32 |
| Oct | 3.51 | 3.26 | 0.25 |
| Nov | 4.38 | 4.15 | 0.23 |
| Dec | 6.11 | 6.02 | 0.09 |
58.09 | 56.59 | 1.50 |