| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.92 | -0.06 |
| Feb | 1.11 | 1.18 | -0.07 |
| Mar | 2.02 | 2.00 | 0.02 |
| Apr | 3.76 | 3.65 | 0.11 |
| May | 5.08 | 4.93 | 0.15 |
| Jun | 5.17 | 5.19 | -0.02 |
| Jul | 3.99 | 4.09 | -0.10 |
| Aug | 4.17 | 3.97 | 0.20 |
| Sep | 3.52 | 3.33 | 0.19 |
| Oct | 2.62 | 2.59 | 0.03 |
| Nov | 1.83 | 1.77 | 0.06 |
| Dec | 1.27 | 1.33 | -0.06 |
35.40 | 34.95 | 0.45 |