| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.70 | -0.05 |
| Feb | 0.82 | 0.82 | 0.00 |
| Mar | 1.60 | 1.65 | -0.05 |
| Apr | 3.32 | 3.36 | -0.04 |
| May | 4.23 | 4.28 | -0.05 |
| Jun | 4.78 | 4.76 | 0.02 |
| Jul | 3.52 | 3.53 | -0.01 |
| Aug | 3.73 | 3.80 | -0.07 |
| Sep | 3.16 | 3.16 | 0.00 |
| Oct | 2.34 | 2.33 | 0.01 |
| Nov | 1.45 | 1.41 | 0.04 |
| Dec | 0.98 | 0.95 | 0.03 |
30.58 | 30.75 | -0.17 |