| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.50 | -0.05 |
| Feb | 3.24 | 3.22 | 0.02 |
| Mar | 4.36 | 4.30 | 0.06 |
| Apr | 5.03 | 5.00 | 0.03 |
| May | 5.38 | 5.22 | 0.16 |
| Jun | 4.99 | 4.79 | 0.20 |
| Jul | 4.59 | 4.56 | 0.03 |
| Aug | 3.80 | 3.59 | 0.21 |
| Sep | 3.48 | 3.42 | 0.06 |
| Oct | 3.43 | 3.40 | 0.03 |
| Nov | 3.44 | 3.41 | 0.03 |
| Dec | 4.05 | 4.19 | -0.14 |
49.24 | 48.60 | 0.64 |