| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 4.12 | -0.02 |
| Feb | 4.48 | 4.76 | -0.28 |
| Mar | 5.22 | 5.21 | 0.01 |
| Apr | 5.02 | 5.11 | -0.09 |
| May | 5.31 | 5.70 | -0.39 |
| Jun | 4.46 | 4.58 | -0.12 |
| Jul | 4.25 | 4.32 | -0.07 |
| Aug | 3.69 | 3.50 | 0.19 |
| Sep | 3.59 | 3.80 | -0.21 |
| Oct | 3.42 | 4.03 | -0.61 |
| Nov | 4.21 | 4.40 | -0.19 |
| Dec | 4.73 | 5.14 | -0.41 |
52.48 | 54.67 | -2.19 |