| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.66 | 4.76 | -0.10 |
| Feb | 4.35 | 4.45 | -0.10 |
| Mar | 5.07 | 5.08 | -0.01 |
| Apr | 5.00 | 5.15 | -0.15 |
| May | 4.42 | 4.47 | -0.05 |
| Jun | 4.38 | 4.52 | -0.14 |
| Jul | 3.46 | 3.49 | -0.03 |
| Aug | 3.24 | 3.23 | 0.01 |
| Sep | 3.54 | 3.66 | -0.12 |
| Oct | 4.58 | 4.69 | -0.11 |
| Nov | 4.22 | 4.38 | -0.16 |
| Dec | 4.97 | 5.16 | -0.19 |
51.89 | 53.04 | -1.15 |