| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.68 | -0.03 |
| Feb | 0.85 | 0.84 | 0.01 |
| Mar | 1.74 | 1.80 | -0.06 |
| Apr | 2.56 | 2.72 | -0.16 |
| May | 2.76 | 2.97 | -0.21 |
| Jun | 1.86 | 1.97 | -0.11 |
| Jul | 1.77 | 1.67 | 0.10 |
| Aug | 1.67 | 1.55 | 0.12 |
| Sep | 1.53 | 2.03 | -0.50 |
| Oct | 1.36 | 1.50 | -0.14 |
| Nov | 1.00 | 0.99 | 0.01 |
| Dec | 0.65 | 0.69 | -0.04 |
18.40 | 19.41 | -1.01 |