| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.01 | 1.14 | -0.13 |
| Feb | 0.96 | 1.14 | -0.18 |
| Mar | 1.45 | 1.52 | -0.07 |
| Apr | 2.45 | 2.63 | -0.18 |
| May | 3.17 | 3.28 | -0.11 |
| Jun | 4.28 | 4.51 | -0.23 |
| Jul | 3.87 | 3.87 | 0.00 |
| Aug | 3.38 | 3.55 | -0.17 |
| Sep | 3.32 | 3.59 | -0.27 |
| Oct | 2.98 | 3.14 | -0.16 |
| Nov | 1.86 | 2.07 | -0.21 |
| Dec | 1.40 | 1.68 | -0.28 |
30.13 | 32.12 | -1.99 |