| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.48 | -0.06 |
| Feb | 2.71 | 2.74 | -0.03 |
| Mar | 3.98 | 4.04 | -0.06 |
| Apr | 3.48 | 3.50 | -0.02 |
| May | 3.59 | 3.68 | -0.09 |
| Jun | 4.57 | 4.43 | 0.14 |
| Jul | 4.60 | 4.80 | -0.20 |
| Aug | 4.22 | 4.39 | -0.17 |
| Sep | 4.75 | 4.88 | -0.13 |
| Oct | 3.47 | 3.51 | -0.04 |
| Nov | 3.19 | 3.22 | -0.03 |
| Dec | 3.44 | 3.48 | -0.04 |
45.42 | 46.15 | -0.73 |