| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.24 | -0.20 |
| Feb | 2.68 | 2.78 | -0.10 |
| Mar | 3.80 | 3.97 | -0.17 |
| Apr | 3.26 | 3.30 | -0.04 |
| May | 3.58 | 3.72 | -0.14 |
| Jun | 4.18 | 4.16 | 0.02 |
| Jul | 4.53 | 4.68 | -0.15 |
| Aug | 4.64 | 4.48 | 0.16 |
| Sep | 4.06 | 4.06 | 0.00 |
| Oct | 3.87 | 4.06 | -0.19 |
| Nov | 3.16 | 3.16 | 0.00 |
| Dec | 3.55 | 3.69 | -0.14 |
44.35 | 45.30 | -0.95 |