| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.75 | -0.03 |
| Feb | 1.12 | 1.19 | -0.07 |
| Mar | 2.14 | 2.11 | 0.03 |
| Apr | 3.57 | 3.61 | -0.04 |
| May | 5.02 | 4.88 | 0.14 |
| Jun | 4.70 | 4.82 | -0.12 |
| Jul | 5.01 | 4.79 | 0.22 |
| Aug | 4.02 | 3.96 | 0.06 |
| Sep | 3.50 | 3.47 | 0.03 |
| Oct | 2.86 | 2.77 | 0.09 |
| Nov | 1.77 | 1.76 | 0.01 |
| Dec | 1.24 | 1.24 | 0.00 |
35.67 | 35.35 | 0.32 |