| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.29 | -0.29 |
| Feb | 2.49 | 2.82 | -0.33 |
| Mar | 3.53 | 3.88 | -0.35 |
| Apr | 3.24 | 3.65 | -0.41 |
| May | 4.24 | 4.44 | -0.20 |
| Jun | 4.30 | 4.21 | 0.09 |
| Jul | 3.93 | 3.95 | -0.02 |
| Aug | 3.61 | 3.88 | -0.27 |
| Sep | 4.46 | 5.33 | -0.87 |
| Oct | 3.42 | 3.79 | -0.37 |
| Nov | 3.16 | 3.30 | -0.14 |
| Dec | 3.26 | 3.67 | -0.41 |
42.64 | 46.21 | -3.57 |