| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.26 | -0.02 |
| Feb | 1.93 | 1.97 | -0.04 |
| Mar | 2.38 | 2.40 | -0.02 |
| Apr | 3.76 | 3.79 | -0.03 |
| May | 4.44 | 4.58 | -0.14 |
| Jun | 4.59 | 4.75 | -0.16 |
| Jul | 4.44 | 4.46 | -0.02 |
| Aug | 4.07 | 4.18 | -0.11 |
| Sep | 3.44 | 3.45 | -0.01 |
| Oct | 3.40 | 3.52 | -0.12 |
| Nov | 2.71 | 2.77 | -0.06 |
| Dec | 2.20 | 2.23 | -0.03 |
39.60 | 40.36 | -0.76 |