| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.92 | 0.99 | -0.07 |
| Feb | 1.44 | 1.56 | -0.12 |
| Mar | 2.27 | 2.34 | -0.07 |
| Apr | 3.73 | 3.73 | 0.00 |
| May | 5.36 | 5.53 | -0.17 |
| Jun | 5.07 | 5.24 | -0.17 |
| Jul | 4.11 | 3.98 | 0.13 |
| Aug | 4.11 | 4.14 | -0.03 |
| Sep | 3.68 | 3.87 | -0.19 |
| Oct | 2.90 | 3.16 | -0.26 |
| Nov | 2.09 | 2.17 | -0.08 |
| Dec | 1.51 | 1.55 | -0.04 |
37.19 | 38.26 | -1.07 |