| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.69 | -0.14 |
| Feb | 3.02 | 3.11 | -0.09 |
| Mar | 3.71 | 4.03 | -0.32 |
| Apr | 3.41 | 3.52 | -0.11 |
| May | 3.60 | 3.27 | 0.33 |
| Jun | 4.09 | 4.28 | -0.19 |
| Jul | 3.97 | 4.20 | -0.23 |
| Aug | 4.11 | 4.49 | -0.38 |
| Sep | 3.83 | 4.18 | -0.35 |
| Oct | 3.28 | 3.50 | -0.22 |
| Nov | 3.17 | 3.28 | -0.11 |
| Dec | 3.34 | 3.61 | -0.27 |
43.08 | 45.16 | -2.08 |