| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.90 | 6.99 | 2.91 |
| Feb | 8.45 | 6.26 | 2.19 |
| Mar | 7.76 | 5.85 | 1.91 |
| Apr | 4.43 | 3.98 | 0.45 |
| May | 2.01 | 1.84 | 0.17 |
| Jun | 0.66 | 0.83 | -0.17 |
| Jul | 0.12 | 0.16 | -0.04 |
| Aug | 0.15 | 0.12 | 0.03 |
| Sep | 0.61 | 0.50 | 0.11 |
| Oct | 2.88 | 2.17 | 0.71 |
| Nov | 6.54 | 5.08 | 1.46 |
| Dec | 11.18 | 8.30 | 2.88 |
54.69 | 42.08 | 12.61 |