| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.85 | 5.10 | -0.25 |
| Feb | 4.75 | 5.19 | -0.44 |
| Mar | 4.80 | 5.20 | -0.40 |
| Apr | 4.97 | 5.62 | -0.65 |
| May | 3.42 | 3.65 | -0.23 |
| Jun | 6.03 | 6.44 | -0.41 |
| Jul | 7.24 | 8.00 | -0.76 |
| Aug | 7.37 | 7.99 | -0.62 |
| Sep | 5.84 | 6.40 | -0.56 |
| Oct | 4.07 | 4.44 | -0.37 |
| Nov | 4.18 | 4.60 | -0.42 |
| Dec | 5.09 | 5.28 | -0.19 |
62.61 | 67.91 | -5.30 |