| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.43 | 4.53 | -0.10 |
| Feb | 3.88 | 4.02 | -0.14 |
| Mar | 4.67 | 4.45 | 0.22 |
| Apr | 3.42 | 3.45 | -0.03 |
| May | 2.80 | 2.69 | 0.11 |
| Jun | 6.04 | 6.06 | -0.02 |
| Jul | 5.81 | 5.87 | -0.06 |
| Aug | 5.49 | 5.61 | -0.12 |
| Sep | 4.54 | 4.39 | 0.15 |
| Oct | 3.19 | 3.05 | 0.14 |
| Nov | 2.51 | 2.70 | -0.19 |
| Dec | 3.51 | 3.64 | -0.13 |
50.29 | 50.46 | -0.17 |