| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.59 | 0.06 |
| Feb | 0.61 | 0.65 | -0.04 |
| Mar | 0.80 | 0.76 | 0.04 |
| Apr | 0.67 | 0.76 | -0.09 |
| May | 0.55 | 0.59 | -0.04 |
| Jun | 0.63 | 0.65 | -0.02 |
| Jul | 2.00 | 2.10 | -0.10 |
| Aug | 1.99 | 2.22 | -0.23 |
| Sep | 1.30 | 1.43 | -0.13 |
| Oct | 1.13 | 1.27 | -0.14 |
| Nov | 0.81 | 0.79 | 0.02 |
| Dec | 0.87 | 0.88 | -0.01 |
12.01 | 12.69 | -0.68 |