| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.98 | -0.22 |
| Feb | 0.78 | 0.92 | -0.14 |
| Mar | 1.61 | 1.73 | -0.12 |
| Apr | 2.91 | 3.13 | -0.22 |
| May | 4.17 | 4.15 | 0.02 |
| Jun | 4.54 | 4.73 | -0.19 |
| Jul | 4.23 | 4.31 | -0.08 |
| Aug | 4.55 | 4.38 | 0.17 |
| Sep | 3.33 | 3.24 | 0.09 |
| Oct | 2.74 | 2.83 | -0.09 |
| Nov | 1.58 | 1.72 | -0.14 |
| Dec | 1.10 | 1.30 | -0.20 |
32.30 | 33.42 | -1.12 |