| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.56 | 0.02 |
| Feb | 0.54 | 0.58 | -0.04 |
| Mar | 0.98 | 0.98 | 0.00 |
| Apr | 1.45 | 1.42 | 0.03 |
| May | 3.00 | 3.05 | -0.05 |
| Jun | 4.01 | 4.14 | -0.13 |
| Jul | 3.38 | 3.45 | -0.07 |
| Aug | 2.71 | 2.55 | 0.16 |
| Sep | 2.54 | 2.65 | -0.11 |
| Oct | 2.06 | 2.20 | -0.14 |
| Nov | 0.73 | 0.75 | -0.02 |
| Dec | 0.69 | 0.70 | -0.01 |
22.67 | 23.03 | -0.36 |