| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 0.95 | 0.05 |
| Feb | 1.00 | 0.99 | 0.01 |
| Mar | 1.96 | 1.83 | 0.13 |
| Apr | 3.67 | 3.50 | 0.17 |
| May | 4.64 | 4.43 | 0.21 |
| Jun | 5.48 | 5.39 | 0.09 |
| Jul | 4.28 | 4.23 | 0.05 |
| Aug | 4.23 | 4.17 | 0.06 |
| Sep | 3.75 | 3.60 | 0.15 |
| Oct | 2.58 | 2.44 | 0.14 |
| Nov | 1.83 | 1.70 | 0.13 |
| Dec | 1.27 | 1.19 | 0.08 |
35.69 | 34.42 | 1.27 |