| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 3.44 | -0.34 |
| Feb | 2.69 | 2.83 | -0.14 |
| Mar | 3.22 | 3.48 | -0.26 |
| Apr | 3.88 | 4.30 | -0.42 |
| May | 3.78 | 3.67 | 0.11 |
| Jun | 4.85 | 5.00 | -0.15 |
| Jul | 4.23 | 4.25 | -0.02 |
| Aug | 4.08 | 4.07 | 0.01 |
| Sep | 3.59 | 3.48 | 0.11 |
| Oct | 5.04 | 5.65 | -0.61 |
| Nov | 4.08 | 4.55 | -0.47 |
| Dec | 4.07 | 4.35 | -0.28 |
46.61 | 49.07 | -2.46 |