| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.69 | 6.00 | 0.69 |
| Feb | 5.15 | 4.71 | 0.44 |
| Mar | 5.39 | 4.80 | 0.59 |
| Apr | 4.45 | 3.81 | 0.64 |
| May | 3.04 | 2.64 | 0.40 |
| Jun | 1.69 | 1.51 | 0.18 |
| Jul | 0.35 | 0.35 | 0.00 |
| Aug | 0.47 | 0.38 | 0.09 |
| Sep | 1.54 | 1.46 | 0.08 |
| Oct | 3.90 | 3.49 | 0.41 |
| Nov | 6.78 | 6.26 | 0.52 |
| Dec | 7.95 | 7.33 | 0.62 |
47.40 | 42.74 | 4.66 |