| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.93 | -0.23 |
| Feb | 3.34 | 3.49 | -0.15 |
| Mar | 4.82 | 5.10 | -0.28 |
| Apr | 4.22 | 4.50 | -0.28 |
| May | 3.38 | 3.37 | 0.01 |
| Jun | 3.53 | 3.50 | 0.03 |
| Jul | 3.07 | 3.08 | -0.01 |
| Aug | 3.61 | 3.47 | 0.14 |
| Sep | 3.81 | 3.63 | 0.18 |
| Oct | 4.40 | 4.44 | -0.04 |
| Nov | 3.92 | 3.96 | -0.04 |
| Dec | 4.54 | 4.75 | -0.21 |
46.34 | 47.22 | -0.88 |