| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.29 | 0.06 |
| Feb | 0.50 | 0.47 | 0.03 |
| Mar | 0.95 | 0.88 | 0.07 |
| Apr | 1.71 | 1.62 | 0.09 |
| May | 2.51 | 2.51 | 0.00 |
| Jun | 2.17 | 2.23 | -0.06 |
| Jul | 2.00 | 1.97 | 0.03 |
| Aug | 1.45 | 1.63 | -0.18 |
| Sep | 1.45 | 1.53 | -0.08 |
| Oct | 1.05 | 1.02 | 0.03 |
| Nov | 0.58 | 0.56 | 0.02 |
| Dec | 0.46 | 0.45 | 0.01 |
15.18 | 15.16 | 0.02 |