| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.21 | 5.54 | -0.33 |
| Feb | 4.21 | 4.59 | -0.38 |
| Mar | 5.05 | 5.20 | -0.15 |
| Apr | 5.16 | 5.34 | -0.18 |
| May | 4.79 | 5.32 | -0.53 |
| Jun | 6.38 | 6.74 | -0.36 |
| Jul | 7.48 | 8.15 | -0.67 |
| Aug | 6.70 | 7.25 | -0.55 |
| Sep | 5.68 | 5.87 | -0.19 |
| Oct | 4.07 | 4.16 | -0.09 |
| Nov | 4.06 | 4.33 | -0.27 |
| Dec | 4.87 | 5.05 | -0.18 |
63.66 | 67.54 | -3.88 |