| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.93 | 4.19 | -0.26 |
| Feb | 3.44 | 3.73 | -0.29 |
| Mar | 4.76 | 4.80 | -0.04 |
| Apr | 4.20 | 4.25 | -0.05 |
| May | 3.39 | 3.42 | -0.03 |
| Jun | 3.46 | 3.51 | -0.05 |
| Jul | 2.77 | 2.84 | -0.07 |
| Aug | 3.56 | 3.49 | 0.07 |
| Sep | 4.00 | 3.98 | 0.02 |
| Oct | 4.71 | 4.59 | 0.12 |
| Nov | 4.23 | 4.09 | 0.14 |
| Dec | 4.74 | 5.14 | -0.40 |
47.19 | 48.03 | -0.84 |