| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.49 | 5.63 | -0.14 |
| Feb | 5.11 | 5.30 | -0.19 |
| Mar | 5.52 | 5.38 | 0.14 |
| Apr | 5.22 | 5.19 | 0.03 |
| May | 4.28 | 4.50 | -0.22 |
| Jun | 4.74 | 4.76 | -0.02 |
| Jul | 4.67 | 4.62 | 0.05 |
| Aug | 3.82 | 3.63 | 0.19 |
| Sep | 4.04 | 4.29 | -0.25 |
| Oct | 3.78 | 3.36 | 0.42 |
| Nov | 4.65 | 4.59 | 0.06 |
| Dec | 5.80 | 5.91 | -0.11 |
57.12 | 57.16 | -0.04 |