| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 3.92 | -0.07 |
| Feb | 3.43 | 3.61 | -0.18 |
| Mar | 3.88 | 4.03 | -0.15 |
| Apr | 3.32 | 3.58 | -0.26 |
| May | 4.14 | 4.18 | -0.04 |
| Jun | 5.19 | 4.95 | 0.24 |
| Jul | 6.28 | 7.17 | -0.89 |
| Aug | 7.07 | 7.74 | -0.67 |
| Sep | 8.12 | 9.52 | -1.40 |
| Oct | 4.70 | 5.10 | -0.40 |
| Nov | 3.62 | 3.85 | -0.23 |
| Dec | 3.66 | 4.04 | -0.38 |
57.26 | 61.69 | -4.43 |