| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.88 | 4.65 | 0.23 |
| Feb | 4.92 | 4.85 | 0.07 |
| Mar | 5.38 | 5.14 | 0.24 |
| Apr | 4.95 | 4.94 | 0.01 |
| May | 4.80 | 4.96 | -0.16 |
| Jun | 4.74 | 5.14 | -0.40 |
| Jul | 4.94 | 5.28 | -0.34 |
| Aug | 3.85 | 4.07 | -0.22 |
| Sep | 3.78 | 3.79 | -0.01 |
| Oct | 3.25 | 3.29 | -0.04 |
| Nov | 3.83 | 3.82 | 0.01 |
| Dec | 5.59 | 5.51 | 0.08 |
54.91 | 55.44 | -0.53 |