| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.42 | -0.23 |
| Feb | 2.76 | 2.95 | -0.19 |
| Mar | 3.42 | 3.80 | -0.38 |
| Apr | 4.01 | 4.05 | -0.04 |
| May | 3.64 | 3.84 | -0.20 |
| Jun | 4.78 | 4.88 | -0.10 |
| Jul | 4.15 | 3.97 | 0.18 |
| Aug | 3.82 | 3.96 | -0.14 |
| Sep | 3.46 | 3.42 | 0.04 |
| Oct | 5.11 | 5.37 | -0.26 |
| Nov | 4.28 | 4.20 | 0.08 |
| Dec | 4.05 | 4.28 | -0.23 |
46.67 | 48.14 | -1.47 |