| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.80 | 2.91 | -0.11 |
| Feb | 2.32 | 2.45 | -0.13 |
| Mar | 3.17 | 3.26 | -0.09 |
| Apr | 4.20 | 4.41 | -0.21 |
| May | 4.48 | 4.59 | -0.11 |
| Jun | 4.90 | 5.01 | -0.11 |
| Jul | 4.15 | 4.15 | 0.00 |
| Aug | 3.24 | 3.08 | 0.16 |
| Sep | 3.24 | 3.25 | -0.01 |
| Oct | 3.24 | 3.15 | 0.09 |
| Nov | 3.38 | 3.46 | -0.08 |
| Dec | 2.76 | 2.86 | -0.10 |
41.88 | 42.58 | -0.70 |