| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.54 | 7.96 | 0.58 |
| Feb | 7.78 | 7.68 | 0.10 |
| Mar | 6.64 | 6.20 | 0.44 |
| Apr | 3.40 | 3.41 | -0.01 |
| May | 1.48 | 1.62 | -0.14 |
| Jun | 0.44 | 0.58 | -0.14 |
| Jul | 0.04 | 0.04 | 0.00 |
| Aug | 0.07 | 0.07 | 0.00 |
| Sep | 0.25 | 0.22 | 0.03 |
| Oct | 2.16 | 2.00 | 0.16 |
| Nov | 4.96 | 4.77 | 0.19 |
| Dec | 9.97 | 9.44 | 0.53 |
45.73 | 43.99 | 1.74 |