| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.79 | 0.01 |
| Feb | 1.10 | 1.14 | -0.04 |
| Mar | 1.91 | 1.95 | -0.04 |
| Apr | 2.66 | 2.67 | -0.01 |
| May | 5.04 | 4.90 | 0.14 |
| Jun | 4.17 | 4.04 | 0.13 |
| Jul | 4.02 | 4.00 | 0.02 |
| Aug | 3.75 | 3.68 | 0.07 |
| Sep | 2.77 | 2.70 | 0.07 |
| Oct | 2.24 | 2.27 | -0.03 |
| Nov | 1.28 | 1.36 | -0.08 |
| Dec | 1.16 | 1.13 | 0.03 |
30.90 | 30.63 | 0.27 |