| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.24 | -0.03 |
| Feb | 1.89 | 2.06 | -0.17 |
| Mar | 2.60 | 2.69 | -0.09 |
| Apr | 3.96 | 3.90 | 0.06 |
| May | 4.42 | 4.45 | -0.03 |
| Jun | 4.47 | 4.57 | -0.10 |
| Jul | 4.19 | 4.11 | 0.08 |
| Aug | 3.59 | 3.53 | 0.06 |
| Sep | 3.04 | 3.23 | -0.19 |
| Oct | 3.20 | 3.19 | 0.01 |
| Nov | 2.99 | 2.99 | 0.00 |
| Dec | 2.17 | 2.31 | -0.14 |
38.73 | 39.27 | -0.54 |