| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.91 | 7.99 | -0.08 |
| Feb | 5.14 | 5.26 | -0.12 |
| Mar | 5.79 | 5.88 | -0.09 |
| Apr | 3.94 | 4.00 | -0.06 |
| May | 2.24 | 2.26 | -0.02 |
| Jun | 1.53 | 1.61 | -0.08 |
| Jul | 0.68 | 0.67 | 0.01 |
| Aug | 1.00 | 1.01 | -0.01 |
| Sep | 1.81 | 1.84 | -0.03 |
| Oct | 5.20 | 5.02 | 0.18 |
| Nov | 8.04 | 8.66 | -0.62 |
| Dec | 8.32 | 8.13 | 0.19 |
51.60 | 52.33 | -0.73 |