| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.57 | 0.17 |
| Feb | 2.25 | 2.31 | -0.06 |
| Mar | 2.86 | 2.84 | 0.02 |
| Apr | 2.71 | 2.56 | 0.15 |
| May | 3.56 | 3.82 | -0.26 |
| Jun | 7.67 | 7.32 | 0.35 |
| Jul | 6.60 | 6.72 | -0.12 |
| Aug | 6.61 | 7.41 | -0.80 |
| Sep | 7.32 | 7.98 | -0.66 |
| Oct | 4.42 | 5.11 | -0.69 |
| Nov | 2.28 | 2.47 | -0.19 |
| Dec | 2.33 | 2.44 | -0.11 |
51.35 | 53.55 | -2.20 |