| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.58 | 4.94 | -0.36 |
| Feb | 4.78 | 4.98 | -0.20 |
| Mar | 4.80 | 5.19 | -0.39 |
| Apr | 4.32 | 4.80 | -0.48 |
| May | 3.46 | 3.39 | 0.07 |
| Jun | 5.92 | 5.68 | 0.24 |
| Jul | 7.27 | 6.76 | 0.51 |
| Aug | 7.52 | 7.26 | 0.26 |
| Sep | 5.84 | 5.92 | -0.08 |
| Oct | 3.72 | 3.89 | -0.17 |
| Nov | 3.74 | 4.10 | -0.36 |
| Dec | 4.69 | 4.88 | -0.19 |
60.64 | 61.79 | -1.15 |