| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.91 | 7.34 | 0.57 |
| Feb | 6.87 | 6.05 | 0.82 |
| Mar | 6.99 | 6.61 | 0.38 |
| Apr | 4.44 | 4.25 | 0.19 |
| May | 2.24 | 1.99 | 0.25 |
| Jun | 0.89 | 0.94 | -0.05 |
| Jul | 0.16 | 0.20 | -0.04 |
| Aug | 0.18 | 0.18 | 0.00 |
| Sep | 0.76 | 0.74 | 0.02 |
| Oct | 2.85 | 2.59 | 0.26 |
| Nov | 5.84 | 5.29 | 0.55 |
| Dec | 9.62 | 8.89 | 0.73 |
48.75 | 45.07 | 3.68 |