| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.80 | 0.00 |
| Feb | 1.11 | 1.14 | -0.03 |
| Mar | 1.92 | 1.95 | -0.03 |
| Apr | 2.68 | 2.69 | -0.01 |
| May | 5.03 | 4.91 | 0.12 |
| Jun | 4.19 | 4.03 | 0.16 |
| Jul | 4.02 | 3.95 | 0.07 |
| Aug | 3.76 | 3.68 | 0.08 |
| Sep | 2.78 | 2.70 | 0.08 |
| Oct | 2.25 | 2.29 | -0.04 |
| Nov | 1.29 | 1.37 | -0.08 |
| Dec | 1.16 | 1.13 | 0.03 |
30.99 | 30.64 | 0.35 |