| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.60 | -0.01 |
| Feb | 0.50 | 0.45 | 0.05 |
| Mar | 1.21 | 1.16 | 0.05 |
| Apr | 1.33 | 1.37 | -0.04 |
| May | 2.26 | 2.30 | -0.04 |
| Jun | 2.91 | 2.86 | 0.05 |
| Jul | 2.53 | 2.66 | -0.13 |
| Aug | 2.84 | 2.88 | -0.04 |
| Sep | 1.71 | 1.70 | 0.01 |
| Oct | 1.84 | 1.93 | -0.09 |
| Nov | 0.69 | 0.72 | -0.03 |
| Dec | 0.71 | 0.72 | -0.01 |
19.12 | 19.35 | -0.23 |