| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.74 | 1.76 | -0.02 |
| Feb | 1.70 | 1.78 | -0.08 |
| Mar | 2.19 | 2.21 | -0.02 |
| Apr | 3.75 | 3.67 | 0.08 |
| May | 4.32 | 4.59 | -0.27 |
| Jun | 4.61 | 4.76 | -0.15 |
| Jul | 3.73 | 3.79 | -0.06 |
| Aug | 3.77 | 3.77 | 0.00 |
| Sep | 3.54 | 3.51 | 0.03 |
| Oct | 3.09 | 3.12 | -0.03 |
| Nov | 2.40 | 2.36 | 0.04 |
| Dec | 2.00 | 1.99 | 0.01 |
36.84 | 37.31 | -0.47 |