| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.84 | 9.28 | 0.56 |
| Feb | 7.84 | 7.82 | 0.02 |
| Mar | 7.76 | 8.05 | -0.29 |
| Apr | 4.68 | 5.14 | -0.46 |
| May | 2.34 | 2.74 | -0.40 |
| Jun | 0.88 | 1.21 | -0.33 |
| Jul | 0.18 | 0.25 | -0.07 |
| Aug | 0.22 | 0.26 | -0.04 |
| Sep | 0.86 | 1.00 | -0.14 |
| Oct | 3.43 | 3.59 | -0.16 |
| Nov | 7.03 | 7.20 | -0.17 |
| Dec | 11.46 | 10.65 | 0.81 |
56.52 | 57.19 | -0.67 |