| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.98 | -0.16 |
| Feb | 0.81 | 0.94 | -0.13 |
| Mar | 1.64 | 1.75 | -0.11 |
| Apr | 2.94 | 3.08 | -0.14 |
| May | 4.19 | 4.28 | -0.09 |
| Jun | 4.78 | 5.00 | -0.22 |
| Jul | 4.23 | 4.23 | 0.00 |
| Aug | 4.59 | 4.45 | 0.14 |
| Sep | 3.40 | 3.33 | 0.07 |
| Oct | 2.74 | 2.92 | -0.18 |
| Nov | 1.62 | 1.73 | -0.11 |
| Dec | 1.18 | 1.33 | -0.15 |
32.94 | 34.02 | -1.08 |