| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.54 | 0.00 |
| Feb | 0.73 | 0.71 | 0.02 |
| Mar | 1.30 | 1.29 | 0.01 |
| Apr | 1.97 | 2.03 | -0.06 |
| May | 3.63 | 3.71 | -0.08 |
| Jun | 3.15 | 3.11 | 0.04 |
| Jul | 3.70 | 3.76 | -0.06 |
| Aug | 3.21 | 3.26 | -0.05 |
| Sep | 1.88 | 1.98 | -0.10 |
| Oct | 1.65 | 1.67 | -0.02 |
| Nov | 0.87 | 0.88 | -0.01 |
| Dec | 0.75 | 0.80 | -0.05 |
23.38 | 23.74 | -0.36 |