| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.77 | -0.07 |
| Feb | 0.75 | 0.86 | -0.11 |
| Mar | 1.42 | 1.45 | -0.03 |
| Apr | 2.82 | 2.82 | 0.00 |
| May | 4.01 | 4.16 | -0.15 |
| Jun | 4.73 | 4.60 | 0.13 |
| Jul | 3.86 | 3.91 | -0.05 |
| Aug | 4.11 | 4.25 | -0.14 |
| Sep | 3.40 | 3.20 | 0.20 |
| Oct | 2.48 | 2.48 | 0.00 |
| Nov | 1.45 | 1.48 | -0.03 |
| Dec | 1.07 | 1.12 | -0.05 |
30.80 | 31.10 | -0.30 |