| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.65 | 0.11 |
| Feb | 0.78 | 0.75 | 0.03 |
| Mar | 1.63 | 1.54 | 0.09 |
| Apr | 3.20 | 3.15 | 0.05 |
| May | 4.40 | 4.33 | 0.07 |
| Jun | 4.95 | 4.69 | 0.26 |
| Jul | 3.74 | 3.80 | -0.06 |
| Aug | 3.63 | 3.78 | -0.15 |
| Sep | 3.08 | 3.09 | -0.01 |
| Oct | 2.36 | 2.29 | 0.07 |
| Nov | 1.44 | 1.29 | 0.15 |
| Dec | 0.96 | 0.87 | 0.09 |
30.93 | 30.23 | 0.70 |