| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.64 | 5.73 | -0.09 |
| Feb | 4.25 | 4.04 | 0.21 |
| Mar | 4.37 | 4.28 | 0.09 |
| Apr | 4.78 | 4.98 | -0.20 |
| May | 5.78 | 5.88 | -0.10 |
| Jun | 7.23 | 7.54 | -0.31 |
| Jul | 6.84 | 6.74 | 0.10 |
| Aug | 6.80 | 7.03 | -0.23 |
| Sep | 5.27 | 5.12 | 0.15 |
| Oct | 4.24 | 4.23 | 0.01 |
| Nov | 3.89 | 3.97 | -0.08 |
| Dec | 4.90 | 4.69 | 0.21 |
63.99 | 64.23 | -0.24 |