| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.96 | -0.05 |
| Feb | 0.94 | 0.96 | -0.02 |
| Mar | 1.83 | 1.86 | -0.03 |
| Apr | 3.24 | 3.13 | 0.11 |
| May | 4.40 | 4.34 | 0.06 |
| Jun | 5.35 | 5.17 | 0.18 |
| Jul | 4.66 | 4.71 | -0.05 |
| Aug | 4.66 | 4.52 | 0.14 |
| Sep | 3.69 | 3.71 | -0.02 |
| Oct | 2.53 | 2.54 | -0.01 |
| Nov | 1.60 | 1.59 | 0.01 |
| Dec | 1.19 | 1.24 | -0.05 |
35.00 | 34.73 | 0.27 |