| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.77 | -0.19 |
| Feb | 3.18 | 3.28 | -0.10 |
| Mar | 4.19 | 4.33 | -0.14 |
| Apr | 4.26 | 4.36 | -0.10 |
| May | 3.88 | 4.01 | -0.13 |
| Jun | 4.46 | 4.49 | -0.03 |
| Jul | 4.17 | 4.33 | -0.16 |
| Aug | 4.23 | 4.48 | -0.25 |
| Sep | 4.59 | 4.52 | 0.07 |
| Oct | 4.92 | 5.11 | -0.19 |
| Nov | 3.98 | 4.03 | -0.05 |
| Dec | 4.36 | 4.66 | -0.30 |
49.80 | 51.37 | -1.57 |