| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.68 | 0.02 |
| Feb | 1.80 | 1.66 | 0.14 |
| Mar | 2.51 | 2.43 | 0.08 |
| Apr | 2.41 | 2.28 | 0.13 |
| May | 4.23 | 4.28 | -0.05 |
| Jun | 3.23 | 3.22 | 0.01 |
| Jul | 1.98 | 2.15 | -0.17 |
| Aug | 2.42 | 2.15 | 0.27 |
| Sep | 3.48 | 3.54 | -0.06 |
| Oct | 3.09 | 3.06 | 0.03 |
| Nov | 2.11 | 2.18 | -0.07 |
| Dec | 1.73 | 1.85 | -0.12 |
30.69 | 30.48 | 0.21 |