| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.59 | -0.18 |
| Feb | 2.56 | 2.66 | -0.10 |
| Mar | 3.07 | 3.07 | 0.00 |
| Apr | 3.67 | 3.90 | -0.23 |
| May | 3.78 | 4.04 | -0.26 |
| Jun | 4.23 | 4.40 | -0.17 |
| Jul | 4.27 | 4.56 | -0.29 |
| Aug | 3.76 | 3.77 | -0.01 |
| Sep | 4.02 | 4.16 | -0.14 |
| Oct | 4.22 | 4.15 | 0.07 |
| Nov | 3.68 | 3.74 | -0.06 |
| Dec | 3.81 | 4.00 | -0.19 |
44.48 | 46.04 | -1.56 |