| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.18 | -0.07 |
| Feb | 2.66 | 2.80 | -0.14 |
| Mar | 3.74 | 3.90 | -0.16 |
| Apr | 3.36 | 3.41 | -0.05 |
| May | 4.30 | 4.57 | -0.27 |
| Jun | 4.27 | 4.42 | -0.15 |
| Jul | 4.19 | 4.41 | -0.22 |
| Aug | 3.70 | 3.91 | -0.21 |
| Sep | 4.59 | 4.88 | -0.29 |
| Oct | 3.73 | 3.79 | -0.06 |
| Nov | 3.38 | 3.49 | -0.11 |
| Dec | 3.46 | 3.61 | -0.15 |
44.49 | 46.37 | -1.88 |