| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.49 | -0.04 |
| Feb | 3.19 | 3.17 | 0.02 |
| Mar | 4.05 | 3.98 | 0.07 |
| Apr | 4.22 | 4.15 | 0.07 |
| May | 3.79 | 3.88 | -0.09 |
| Jun | 4.53 | 4.70 | -0.17 |
| Jul | 4.22 | 4.21 | 0.01 |
| Aug | 4.36 | 4.30 | 0.06 |
| Sep | 4.58 | 4.64 | -0.06 |
| Oct | 5.06 | 5.20 | -0.14 |
| Nov | 3.84 | 3.80 | 0.04 |
| Dec | 4.43 | 4.66 | -0.23 |
49.72 | 50.18 | -0.46 |