| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.42 | 0.01 |
| Feb | 0.49 | 0.50 | -0.01 |
| Mar | 1.16 | 1.30 | -0.14 |
| Apr | 2.05 | 2.22 | -0.17 |
| May | 2.76 | 3.00 | -0.24 |
| Jun | 1.81 | 1.99 | -0.18 |
| Jul | 1.70 | 1.92 | -0.22 |
| Aug | 1.48 | 1.47 | 0.01 |
| Sep | 1.42 | 1.49 | -0.07 |
| Oct | 1.15 | 1.24 | -0.09 |
| Nov | 0.70 | 0.77 | -0.07 |
| Dec | 0.45 | 0.48 | -0.03 |
15.60 | 16.80 | -1.20 |