| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.67 | 3.79 | -0.12 |
| Feb | 3.20 | 3.40 | -0.20 |
| Mar | 4.03 | 3.89 | 0.14 |
| Apr | 4.69 | 4.54 | 0.15 |
| May | 4.31 | 4.41 | -0.10 |
| Jun | 5.04 | 5.04 | 0.00 |
| Jul | 4.83 | 4.65 | 0.18 |
| Aug | 4.42 | 4.49 | -0.07 |
| Sep | 4.10 | 4.04 | 0.06 |
| Oct | 6.04 | 6.01 | 0.03 |
| Nov | 4.72 | 4.61 | 0.11 |
| Dec | 4.56 | 4.80 | -0.24 |
53.61 | 53.67 | -0.06 |