| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.46 | -0.06 |
| Feb | 3.06 | 3.26 | -0.20 |
| Mar | 3.32 | 3.40 | -0.08 |
| Apr | 3.03 | 3.06 | -0.03 |
| May | 3.48 | 3.33 | 0.15 |
| Jun | 4.55 | 4.61 | -0.06 |
| Jul | 4.60 | 4.41 | 0.19 |
| Aug | 4.80 | 4.84 | -0.04 |
| Sep | 4.94 | 5.17 | -0.23 |
| Oct | 2.98 | 3.10 | -0.12 |
| Nov | 3.17 | 3.29 | -0.12 |
| Dec | 3.41 | 3.48 | -0.07 |
44.74 | 45.41 | -0.67 |