| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.10 | 2.21 | -0.11 |
| Feb | 1.93 | 1.99 | -0.06 |
| Mar | 2.66 | 2.59 | 0.07 |
| Apr | 3.87 | 3.67 | 0.20 |
| May | 4.50 | 4.36 | 0.14 |
| Jun | 4.23 | 4.23 | 0.00 |
| Jul | 4.11 | 4.35 | -0.24 |
| Aug | 3.27 | 3.42 | -0.15 |
| Sep | 3.13 | 3.19 | -0.06 |
| Oct | 3.32 | 3.19 | 0.13 |
| Nov | 2.86 | 2.80 | 0.06 |
| Dec | 2.18 | 2.25 | -0.07 |
38.16 | 38.25 | -0.09 |