| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.66 | -0.03 |
| Feb | 0.74 | 0.80 | -0.06 |
| Mar | 1.43 | 1.44 | -0.01 |
| Apr | 2.62 | 2.64 | -0.02 |
| May | 3.56 | 3.60 | -0.04 |
| Jun | 4.88 | 4.88 | 0.00 |
| Jul | 3.83 | 3.54 | 0.29 |
| Aug | 4.18 | 3.97 | 0.21 |
| Sep | 2.99 | 3.03 | -0.04 |
| Oct | 2.38 | 2.32 | 0.06 |
| Nov | 1.24 | 1.25 | -0.01 |
| Dec | 0.87 | 0.95 | -0.08 |
29.35 | 29.08 | 0.27 |