| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.65 | -0.13 |
| Feb | 2.49 | 2.56 | -0.07 |
| Mar | 3.84 | 3.92 | -0.08 |
| Apr | 4.69 | 4.83 | -0.14 |
| May | 5.20 | 5.39 | -0.19 |
| Jun | 4.24 | 4.33 | -0.09 |
| Jul | 4.12 | 4.09 | 0.03 |
| Aug | 3.86 | 3.97 | -0.11 |
| Sep | 3.76 | 3.93 | -0.17 |
| Oct | 3.27 | 3.21 | 0.06 |
| Nov | 3.72 | 3.80 | -0.08 |
| Dec | 2.59 | 2.72 | -0.13 |
44.30 | 45.40 | -1.10 |