| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 10.43 | 11.47 | -1.04 |
| Feb | 9.94 | 10.51 | -0.57 |
| Mar | 8.34 | 10.12 | -1.78 |
| Apr | 4.71 | 5.73 | -1.02 |
| May | 2.38 | 3.19 | -0.81 |
| Jun | 0.71 | 1.14 | -0.43 |
| Jul | 0.09 | 0.15 | -0.06 |
| Aug | 0.18 | 0.13 | 0.05 |
| Sep | 0.57 | 0.76 | -0.19 |
| Oct | 3.32 | 3.93 | -0.61 |
| Nov | 6.74 | 7.80 | -1.06 |
| Dec | 12.27 | 13.30 | -1.03 |
59.68 | 68.23 | -8.55 |