| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.11 | -0.18 |
| Feb | 2.44 | 2.53 | -0.09 |
| Mar | 3.20 | 3.20 | 0.00 |
| Apr | 3.39 | 3.27 | 0.12 |
| May | 3.88 | 3.78 | 0.10 |
| Jun | 4.21 | 4.17 | 0.04 |
| Jul | 4.24 | 4.12 | 0.12 |
| Aug | 3.59 | 3.40 | 0.19 |
| Sep | 3.43 | 3.34 | 0.09 |
| Oct | 2.91 | 2.80 | 0.11 |
| Nov | 2.80 | 2.83 | -0.03 |
| Dec | 3.09 | 3.11 | -0.02 |
40.11 | 39.66 | 0.45 |