| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.37 | -0.33 |
| Feb | 2.33 | 2.53 | -0.20 |
| Mar | 2.98 | 3.14 | -0.16 |
| Apr | 3.67 | 3.77 | -0.10 |
| May | 3.62 | 3.87 | -0.25 |
| Jun | 3.91 | 3.94 | -0.03 |
| Jul | 4.14 | 4.38 | -0.24 |
| Aug | 3.75 | 4.02 | -0.27 |
| Sep | 4.06 | 4.21 | -0.15 |
| Oct | 3.98 | 4.38 | -0.40 |
| Nov | 3.61 | 3.82 | -0.21 |
| Dec | 3.28 | 3.58 | -0.30 |
42.37 | 45.01 | -2.64 |