| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.90 | 6.75 | 3.15 |
| Feb | 8.45 | 6.15 | 2.30 |
| Mar | 7.76 | 5.65 | 2.11 |
| Apr | 4.43 | 3.88 | 0.55 |
| May | 2.01 | 1.78 | 0.23 |
| Jun | 0.66 | 0.79 | -0.13 |
| Jul | 0.12 | 0.16 | -0.04 |
| Aug | 0.15 | 0.12 | 0.03 |
| Sep | 0.61 | 0.49 | 0.12 |
| Oct | 2.88 | 2.10 | 0.78 |
| Nov | 6.54 | 4.94 | 1.60 |
| Dec | 11.18 | 8.02 | 3.16 |
54.69 | 40.83 | 13.86 |