| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.20 | 1.30 | -0.10 |
| Feb | 1.53 | 1.67 | -0.14 |
| Mar | 2.42 | 2.52 | -0.10 |
| Apr | 4.09 | 4.06 | 0.03 |
| May | 5.57 | 5.62 | -0.05 |
| Jun | 5.11 | 5.38 | -0.27 |
| Jul | 4.47 | 4.45 | 0.02 |
| Aug | 4.52 | 4.32 | 0.20 |
| Sep | 3.93 | 4.17 | -0.24 |
| Oct | 3.24 | 3.30 | -0.06 |
| Nov | 2.26 | 2.32 | -0.06 |
| Dec | 1.63 | 1.76 | -0.13 |
39.97 | 40.87 | -0.90 |