| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.27 | -0.12 |
| Feb | 2.75 | 2.85 | -0.10 |
| Mar | 3.34 | 3.45 | -0.11 |
| Apr | 3.67 | 3.84 | -0.17 |
| May | 3.73 | 3.75 | -0.02 |
| Jun | 4.46 | 4.72 | -0.26 |
| Jul | 4.32 | 4.60 | -0.28 |
| Aug | 3.93 | 4.11 | -0.18 |
| Sep | 3.80 | 3.71 | 0.09 |
| Oct | 4.12 | 4.34 | -0.22 |
| Nov | 3.33 | 3.47 | -0.14 |
| Dec | 3.69 | 4.05 | -0.36 |
44.29 | 46.16 | -1.87 |