| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 4.10 | -0.50 |
| Feb | 2.82 | 3.25 | -0.43 |
| Mar | 2.92 | 3.27 | -0.35 |
| Apr | 3.53 | 3.56 | -0.03 |
| May | 3.53 | 3.54 | -0.01 |
| Jun | 3.75 | 3.57 | 0.18 |
| Jul | 3.64 | 3.65 | -0.01 |
| Aug | 3.54 | 3.59 | -0.05 |
| Sep | 3.78 | 3.80 | -0.02 |
| Oct | 4.55 | 4.83 | -0.28 |
| Nov | 4.03 | 4.19 | -0.16 |
| Dec | 3.92 | 4.33 | -0.41 |
43.61 | 45.68 | -2.07 |