| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.30 | 4.58 | -0.28 |
| Feb | 2.81 | 3.06 | -0.25 |
| Mar | 3.18 | 3.32 | -0.14 |
| Apr | 3.67 | 4.02 | -0.35 |
| May | 4.76 | 4.66 | 0.10 |
| Jun | 5.26 | 5.52 | -0.26 |
| Jul | 4.25 | 4.42 | -0.17 |
| Aug | 5.16 | 5.85 | -0.69 |
| Sep | 5.73 | 5.97 | -0.24 |
| Oct | 4.96 | 5.15 | -0.19 |
| Nov | 4.21 | 4.54 | -0.33 |
| Dec | 4.18 | 4.63 | -0.45 |
52.47 | 55.72 | -3.25 |