| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.33 | 0.05 |
| Feb | 0.56 | 0.51 | 0.05 |
| Mar | 1.01 | 1.01 | 0.00 |
| Apr | 2.25 | 2.24 | 0.01 |
| May | 3.35 | 3.50 | -0.15 |
| Jun | 3.67 | 3.63 | 0.04 |
| Jul | 3.06 | 3.09 | -0.03 |
| Aug | 2.59 | 2.52 | 0.07 |
| Sep | 1.74 | 1.62 | 0.12 |
| Oct | 1.71 | 1.76 | -0.05 |
| Nov | 0.56 | 0.54 | 0.02 |
| Dec | 0.42 | 0.43 | -0.01 |
21.30 | 21.18 | 0.12 |